The US has begun surveillance flights over Syria

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The US has begun surveillance flights over Syria
These Are The UN Peacekeepers From Fiji That Were Captured by The Al-Nusra Front. #Syria #Iraq http://t.co/rF2GXP6UOf
In a picture taken from the Israeli-annexed Golan Heights, a United Nations Disengagement Observer Force (UNDOF) convoy manoeuvres in the buffer zone as they are escorted by Syrian rebel fighters on a motorcycle near the Syrian village of Jubata Al Khashab on September 2, 2014. Al-Qaeda-linked Syria rebels who are holding more than 40 United Nations peacekeepers hostage in the Golan Heights are demanding they be expunged from a UN terror blacklist, Fiji revealed. AFP PHOTO/ MENAHEM KAHANA (Photo credit should read MENAHEM KAHANA/AFP/Getty Images)
In a picture taken from the Israeli-annexed Golan Heights, a United Nations Disengagement Observer Force (UNDOF) convoy manoeuvres in the buffer zone as they are escorted by a Syrian rebel fighter on a motorcycle near the Syrian village of Jubata Al Khashab on September 2, 2014. Al-Qaeda-linked Syria rebels who are holding more than 40 United Nations peacekeepers hostage in the Golan Heights are demanding they be expunged from a UN terror blacklist, Fiji revealed. AFP PHOTO/ MENAHEM KAHANA (Photo credit should read MENAHEM KAHANA/AFP/Getty Images)
A United Nations Disengagement Observer Force (UNDOF) car enters the UN headquarters, in the demilitarised zone, near the Quneitra border crossing in the Israeli annexed Golan Heights on September 2, 2014. Al-Qaeda-linked Syria rebels who are holding more than 40 United Nations peacekeepers hostage in the Golan Heights are demanding they be expunged from a UN terror blacklist, Fiji revealed. AFP PHOTO/ MENAHEM KAHANA (Photo credit should read MENAHEM KAHANA/AFP/Getty Images)
In a picture taken from the Israeli-annexed Golan Heights, a United Nations Disengagement Observer Force (UNDOF) convoy manoeuvres in the buffer zone as they are escorted by Syrian rebel fighters on a motorcycle near the Syrian village of Jubata Al Khashab on September 2, 2014. Al-Qaeda-linked Syria rebels who are holding more than 40 United Nations peacekeepers hostage in the Golan Heights are demanding they be expunged from a UN terror blacklist, Fiji revealed. AFP PHOTO/ MENAHEM KAHANA (Photo credit should read MENAHEM KAHANA/AFP/Getty Images)
A United Nations Disengagement Observer Force (UNDOF) convoy is escorted by an Israeli army vehicle on the border of the buffer zone near the Druze village of Buqaata in the Israeli-annexed Golan Heights on September 2, 2014. Al-Qaeda-linked Syria rebels who are holding more than 40 United Nations peacekeepers hostage in the Golan Heights are demanding they be expunged from a UN terror blacklist, Fiji revealed. AFP PHOTO/ MENAHEM KAHANA (Photo credit should read MENAHEM KAHANA/AFP/Getty Images)
Fiji says no word on location of UN peacekeepers seized by Syria militants http://t.co/pEnKhNcIuj http://t.co/x87CWdTn0U
#GolanHeights reports in Manila say #fiji peacekeepers held by Al Qaeda Nusra .#Filipino PKs refusing to disarm http://t.co/xblMTKuq66
FILE- This undated image posted by the Raqqa Media Center, a Syrian opposition group, on Monday, June 30, 2014, which has been verified and is consistent with other AP reporting, shows fighters from the al-Qaida linked Islamic State group during a parade in Raqqa, Syria. The Gulf nation of Qatar is hitting back at suggestions that it supports the Islamic State extremist group, saying that “determined, collective action” is needed to end sectarian violence gripping Iraq and Syria. Qatari Foreign Minister Khalid bin Mohammed al-Attiyah unequivocally denied funding the extremist group. (AP Photo/Raqqa Media Center- File)
FILE- This undated image posted by the Raqqa Media Center, a Syrian opposition group, on Monday, June 30, 2014, which has been verified and is consistent with other AP reporting, shows fighters from the al-Qaida linked Islamic State during a parade with a missile in Raqqa, Syria. The Gulf nation of Qatar is hitting back at suggestions that it supports the Islamic State extremist group, saying that “determined, collective action” is needed to end sectarian violence gripping Iraq and Syria. Qatari Foreign Minister Khalid bin Mohammed al-Attiyah unequivocally denied funding the extremist group. (AP Photo/Raqqa Media Center)
This March 23, 2008 photo provided by the Hennepin County, Minn. Sheriff's Office shows Douglas McAuthur McCain. On Tuesday, Aug. 26, 2014, a U.S. official said McCain, a U.S. citizen, is believed to have been killed in Syria and was there to fight alongside a terrorist group, most likely the Islamic State. (AP Photo/Hennepin County, Minn. Sheriff's Office)
In this photo released by the Syrian official news agency SANA, Syrian Foreign Minister Walid al-Moallem speaks during a press conference, giving the first public comments by a senior Assad official on the threat posed by the Islamic State group, in Damascus, Syria on Monday, August 25, 2014. Al-Moallem warned the U.S. not to conduct airstrikes inside Syria against the Islamic State group without Damascus’ consent, saying any such attack would be considered an aggression. Al-Moallem also said that Syria is ready to work with regional states and the international community amid the onslaught of Islamic militants there and in Iraq, adding that the Syrian government is a crucial partner in the war on terror. (AP Photo/SANA)
President Barack Obama pauses as he speak in Edgartown, Mass., Wednesday, Aug. 20, 2014, about the killing of American journalist James Foley by militants with the Islamic State extremist group. The president said the US will continue to confront Islamic State extremists despite the brutal murder of journalist James Foley. Obama said the entire world is "appalled" by Foley's killing. The president says he spoke Wednesday with Foley's family and offered condolences. (AP Photo/Jacquelyn Martin)
In this photo provided by an anti-Bashar Assad activist group Edlib News Network (ENN), which has been authenticated based on its contents and other AP reporting, anti-Syrian government protesters carry banners and a giant Syrian revolution flag during a demonstration in Idlib province, northern Syria, Friday, Aug 22, 2014. The death toll from three years of Syria's civil war has risen to more than 191,000 people, the United Nations reported Friday. (AP Photo/Edlib News Network ENN)
In this photo taken during a Syrian government-led media tour, a traffic sign stands across from buildings damaged in fighting between Syrian troops and rebels in Mleiha, some 10 kilometers (6 miles) southeast of downtown Damascus, Syria, Friday, Aug. 15, 2014. Syrian government troops captured the fiercely contested suburb of the capital Thursday after five months of heavy fighting, flushing rebels from their last hideouts and quickly moving to crush pockets of resistance in the surrounding countryside, activists and state media said. (AP Photo)
An elderly Iraqi Yazidi man arrives at Nowruz camp, in Derike, Syria, Tuesday, Aug. 12, 2014. In the camps here, Iraqi refugees have new heroes: Syrian Kurdish fighters who battled militants to carve an escape route to tens of thousands trapped on a mountaintop. While the U.S. and Iraqi militaries dropped food and water to the starving members of Iraq’s Yazidi minority, the Kurds took it on themselves to rescue them, a sign of how Syria’s Kurds, like Iraq’s, are using the region’s conflicts to establish their own rule. (AP Photo/ Khalid Mohammed)
Syria's Foreign Minister Walid Muallem (C) looks on following a press conference on August 25, 2014 in the Syrian capital Damascus. Any air strikes against jihadists in Syria must be coordinated with Damascus beforehand, Muallem said. AFP PHOTO / STR (Photo credit should read -/AFP/Getty Images)
In this photo taken during a Syrian government-led media tour, a man operates a bulldozer to clear debris created during battles between Syrian troops and rebels off a street in Mleiha, some 10 kilometers (6 miles) southeast of downtown Damascus, Syria, Friday, Aug. 15, 2014. Syrian government troops captured the fiercely contested suburb of the capital Thursday after five months of heavy fighting, flushing rebels from their last hideouts and quickly moving to crush pockets of resistance in the surrounding countryside, activists and state media said. (AP Photo)
DAMASCUS, SYRIA - AUGUST 24: Syrian people search for bodies of wounded and death Syrians after a bomb attack of Syrian regime forces on Syria's Zabadani region, close to the border with Lebanon in Damascus, Syria on 24 August, 2014. 10 people died during the bomb attack. (Photo by Yusuf al Bostany/Anadolu Agency/Getty Images)
DAMASCUS, SYRIA - AUGUST 24: Syrian people search for bodies of wounded and death Syrians after a bomb attack of Syrian regime forces on Syria's Zabadani region, close to the border with Lebanon in Damascus, Syria on 24 August, 2014. 10 people died during the bomb attack. (Photo by Yusuf al Bostany/Anadolu Agency/Getty Images)
A Syrian living in Jordan shouts slogans against Syrian President Bashar al-Assad during a rally outside of the Syrian Embassy in the capital Amman, on August 21, 2014, as they gather to mark the first anniversary of a chemical weapons attack on the capital's Ghouta region, a stronghold of the rebel movement, which the United States estimated killed up to 1,400 people. Human Rights Watch said that hundreds of victims of a chemical weapons attack in Syria remained without justice one year on, days after Damascus's stockpile was completely destroyed. AFP PHOTO/KHALIL MAZRAAWI (Photo credit should read KHALIL MAZRAAWI/AFP/Getty Images)
US Secretary of Defense Chuck Hagel (L) and Chairman of the Joint Chiefs of Staff General Martin Dempsey hold a press briefing at the Pentagon in Washington, DC, August 21, 2014. Hagel warned that the Islamic State is more than a traditional 'terrorist group' and better armed, trained and funded than any recent threat. 'They marry ideology and a sophistication of strategic and tactical military prowess. They are tremendously well funded. This is beyond anything we have seen,' Hagel told reporters. AFP PHOTO / Saul LOEB (Photo credit should read SAUL LOEB/AFP/Getty Images)
ALEPPO, SYRIA - AUGUST 18: Members of Syrian Islamic Front and Syrian opposition Mujahidin Brigade members guard to fight against the Islamic State (IS), formerly known Islamic State of Iraq and the Levant (ISIL) ,in Mari village, Aleppo, Syria on August 18, 2014. (Photo by Ahmed Hasan Ubeyd/Anadolu Agency/Getty Images)
BERLIN, GERMANY - AUGUST 17: A woman shows a photograph as more then thousand participants of several oriental christian groups gather to protest against the ongoing violence against their brethren in Iraq and Syria by ISIS fighters on August 17, 2014 in Berlin, Germany. Tens of thousands of Yazidis, who practice their own religion and are neither Christian nor Muslim have fled targeted violence from ISIS Muslim Sunni fighters in the region of northern Iraq that borders Syria and Kurdish regions. ISIS has targeted Christians and Shia Muslims as well. (Photo by Carsten Koall/Getty Images)
Demonstrators at a rally supporting Kurdistan hold placards protesting against the Islamic State of Iraq and Syria (ISIS) in front of the White House on August 16, 2014 in Washington, DC. Jihadists carried out a 'massacre' in the northern Iraqi village of Kocho, killing dozens of people, most of them members of the Yazidi religious minority, officials said on Saturday. AFP PHOTO/Mandel NGAN (Photo credit should read MANDEL NGAN/AFP/Getty Images)
DAMASCUS, SYRIA - AUGUST 15: A view of ruined buildings in El-Muleyha region of Damascus, seized by regime forces on previous day, in Damascus, Syria on 15 August, 2014. (Photo by Kasm Ebu Muhammed/Anadolu Agency/Getty Images)
HANOVER, GERMANY - AUGUST 16: Ethnic Yazidi wave flags and protest against the ongoing attacks against Yazidi in northern Iraq on August 16, 2014 in Hanover, Germany. Tens of thousands of Yazidi, who practice their own religion and are neither Christian nor Muslim, have fled targeted violence from ISIS Muslim Sunni fighters in the region of northern Iraq that borders Syria and Kurdish regions. An estimated 90,000 Yazidi live in Germany, more than in any other country in Europe. According to offical police sources, more than 10.000 demonstraters participated in the rally. (Photo by Alexander Koerner/Getty Images)
THIS PICTURE WAS TAKEN ON A GOVERNMENT-GUIDED TOUR A Syrian government bulldozer clears the rubble and debris from a street in Mleiha on the outskirts of the capital Damascus on August 15, 2014. Syrian government forces retook the key town southeast of the capital on August 14, after a months-long battle against rebels, a military source and state television said. AFP PHOTO/LOUAI BESHARA (Photo credit should read LOUAI BESHARA/AFP/Getty Images)
THIS PICTURE WAS TAKEN ON A GOVERNMENT-GUIDED TOUR Two men walk past the debris of building in Mleiha on the outskirts of the capital Damascus on August 15, 2014. Syrian government forces retook the key town southeast of the capital on August 14, after a months-long battle against rebels, a military source and state television said. AFP PHOTO/LOUAI BESHARA (Photo credit should read LOUAI BESHARA/AFP/Getty Images)
THIS PICTURE WAS TAKEN ON A GOVERNMENT-GUIDED TOUR Syrian government forces gather around a map for instructions in Mleiha on the outskirts of the capital Damascus on August 15, 2014. Syrian government forces retook the key town southeast of the capital on August 14, after a months-long battle against rebels, a military source and state television said. AFP PHOTO/LOUAI BESHARA (Photo credit should read LOUAI BESHARA/AFP/Getty Images)
THIS PICTURE WAS TAKEN ON A GOVERNMENT-GUIDED TOUR Syrian government forces flash the victory sign as they walk in a street in Mleiha on the outskirts of the capital Damascus on August 15, 2014. Syrian government forces retook the key town southeast of the capital on August 14, after a months-long battle against rebels, a military source and state television said. AFP PHOTO/LOUAI BESHARA (Photo credit should read LOUAI BESHARA/AFP/Getty Images)
A Syrian Kurdish Peshmerga fighter stands guard as displaced Iraqis from the Yazidi community arrive at Nowruz camp, in Derike, Syria, Tuesday, Aug. 12, 2014. In the camps here, Iraqi refugees have new heroes: Syrian Kurdish fighters who battled militants to carve an escape route to tens of thousands trapped on a mountaintop. While the U.S. and Iraqi militaries dropped food and water to the starving members of Iraq’s Yazidi minority, the Kurds took it on themselves to rescue them, a sign of how Syria’s Kurds, like Iraq’s, are using the region’s conflicts to establish their own rule. (AP Photo/ Khalid Mohammed)
Displaced Iraqis from the Yazidi community cross the Syria-Iraq border at Feeshkhabour bridge over Tigris River at Feeshkhabour border point, in northern Iraq, Sunday, Aug. 10, 2014. Kurdish authorities at the border believe some 45,000 Yazidis passed the river crossing in the past week and thousands more are still stranded in the mountains. (AP Photo/ Khalid Mohammed)
Lebanese army reinforcements arrive to the outskirts of Arsal, a predominantly Sunni Muslim town near the Syrian border in eastern Lebanon, Monday, Aug. 4, 2014. Thousands of Lebanese civilians and Syrian refugees packed cars and pickup trucks Monday, fleeing an eastern border town that was overrun by militants from neighboring Syria as Lebanese troops fight to liberate the area. (AP Photo/Bilal Hussein)
Lebanese army soldiers flash victory signs while in an armored personnel carrier as reinforcements arrive to the outskirts of Arsal, a predominantly Sunni Muslim town near the Syrian border in eastern Lebanon, Monday, Aug. 4, 2014. Thousands of Lebanese civilians and Syrian refugees packed cars and pickup trucks Monday, fleeing an eastern border town that was overrun by militants from neighboring Syria as Lebanese troops fight to liberate the area. (AP Photo/Bilal Hussein)
Lebanese army soldiers sit on top of a military truck as reinforcements arrive to the outskirts of Arsal, a predominantly Sunni Muslim town near the Syrian border in eastern Lebanon, Monday, Aug. 4, 2014. Thousands of Lebanese civilians and Syrian refugees packed cars and pickup trucks Monday, fleeing an eastern border town that was overrun by militants from neighboring Syria as Lebanese troops fight to liberate the area. (AP Photo/Bilal Hussein)
White House press secretary Josh Earnest gestures during the daily press briefing at the White House in Washington, Monday, Aug. 25, 2014, where he took questions on ISIS, Iraq, and Syria. He also received congratulations for his newborn baby. (AP Photo/Charles Dharapak)
This image made from undated video posted during the weekend of June 28, 2014 on a social media account frequently used for communications by the Islamic State of Iraq and the Levant (ISIL), which has been verified and is consistent with other AP reporting, shows Omar al-Shishani standing next to the group's spokesman among a group of fighters as they declare the elimination of the border between Iraq and Syria. Al-Shishani, one of hundreds of Chechens who have been among the toughest jihadi fighters in Syria, has emerged as the face of the Islamic State of Iraq and the Levant, appearing frequently in its online videos — in contrast to the group's Iraqi leader, Abu Bakr al-Baghdadi, who remains deep in hiding and has hardly ever been photographed. (AP Photo/militant social media account via AP video)
This undated image posted by the Raqqa Media Center, a Syrian opposition group, on Monday, June 30, 2014, which has been verified and is consistent with other AP reporting, shows fighters from the al-Qaida linked Islamic State of Iraq and the Levant (ISIL) during a parade in Raqqa, Syria. Militants from an al-Qaida splinter group held a military parade in their stronghold in northeastern Syria, displaying U.S.-made Humvees, heavy machine guns, and missiles captured from the Iraqi army for the first time since taking over large parts of the Iraq-Syria border. (AP Photo/Raqqa Media Center)
This undated image posted by the Raqqa Media Center, a Syrian opposition group, on Monday, June 30, 2014, which has been verified and is consistent with other AP reporting, shows fighters from the al-Qaida linked Islamic State of Iraq and the Levant (ISIL) during a parade in Raqqa, Syria. Militants from an al-Qaida splinter group held a military parade in their stronghold in northeastern Syria, displaying U.S.-made Humvees, heavy machine guns, and missiles captured from the Iraqi army for the first time since taking over large parts of the Iraq-Syria border. (AP Photo/Raqqa Media Center)
This undated image posted by the Raqqa Media Center, a Syrian opposition group, on Monday, June. 30, 2014, which has been verified and is consistent with other AP reporting, shows fighters from the al-Qaida linked Islamic State of Iraq and the Levant (ISIL) sitting on their tank during a parade in Raqqa, Syria. Militants from an al-Qaida splinter group held a military parade in their stronghold in northeastern Syria, displaying U.S.-made Humvees, heavy machine guns, and missiles captured from the Iraqi army for the first time since taking over large parts of the Iraq-Syria border. (AP Photo/Raqqa Media Center)
FILE - This undated file image posted on a militant website on Tuesday, Jan. 14, 2014, which has been verified and is consistent with other AP reporting, shows fighters from the al-Qaida linked Islamic State of Iraq and the Levant (ISIL) marching in Raqqa, Syria. Moderate Syrian rebels are buckling under the onslaught of the radical al-Qaida breakaway group that has swept over large parts of Iraq and Syria. Some rebels are giving up the fight, crippled by lack of weapons and frustrated with the power of the Islamic State of Iraq and the Levant. Other, more hard-line Syrian fighters are bending to the winds and joining the radicals. (AP Photo/Militant Website, File)
FILE - This undated file image posted on a militant website on Tuesday, Jan. 14, 2014, which has been verified and is consistent with other AP reporting, shows fighters from the al-Qaida linked Islamic State of Iraq and the Levant (ISIL) marching in Raqqa, Syria. Moderate Syrian rebels are buckling under the onslaught of the radical al-Qaida breakaway group that has swept over large parts of Iraq and Syria. Some rebels are giving up the fight, crippled by lack of weapons and frustrated with the power of the Islamic State of Iraq and the Levant. Other, more hard-line Syrian fighters are bending to the winds and joining the radicals. (AP Photo/Militant Website, File)
FILE - This undated file image posted on a militant website on Tuesday, Jan. 14, 2014 shows fighters from the al-Qaida-linked Islamic State of Iraq and the Levant (ISIL) marching in Raqqa, Syria. Saudi Arabia and other Gulf petro-powerhouses encouraged a flow of cash to Sunni rebels in Syria for years. But now they face a worrying blowback as an al-Qaida breakaway group that benefited from some of the funding storms across a wide swath of Iraq. Gulf nations fear its extremism could be a threat to them as well. But the tangle of rivalries in the region is complex: Saudi Arabia and its allies firmly oppose any U.S. military action to stop the Islamic State’s advance in Iraq because they don’t want to boost its Shiite-led prime minister or his ally, Iran. (AP Photo/Militant Website, File)
Shiite tribal fighters raise their weapons and chant slogans against the al-Qaida-inspired Islamic State of Iraq and the Levant (ISIL) in the northwest Baghdad's Shula neighborhood, Iraq, Monday, June 16, 2014. Sunni militants captured a key northern Iraqi town along the highway to Syria early on Monday, compounding the woes of Iraq's Shiite-led government a week after it lost a vast swath of territory to the insurgents in the country's north. (AP Photo/ Karim Kadim)
This Sunday, Aug. 17, 2014 photo provided by the anti-government activist group Aleppo Media Center (AMC), which has been authenticated based on its contents and other AP reporting, shows a Free Syrian Army fighter aiming his weapon during a battle with Islamic State militants in Aleppo, Syria. Members of the Islamic State group have been marching in the northern province of Aleppo capturing areas under the control of the mainstream Free Syrian Army. Islamic State fighters have overrun nearly a dozen towns and villages in Aleppo province last week crushing what little resistance they have encountered. (AP Photo/Aleppo Media Center AMC)
ALEPPO, SYRIA - AUGUST 18: Members of Syrian Islamic Front and Syrian opposition Mujahidin Brigade members guard to fight against the Islamic State (IS), formerly known Islamic State of Iraq and the Levant (ISIL) ,in Mari village, Aleppo, Syria on August 18, 2014. (Photo by Ahmed Hasan Ubeyd/Anadolu Agency/Getty Images)
ALEPPO, SYRIA - AUGUST 18: Members of Syrian Islamic Front and Syrian opposition Mujahidin Brigade members guard to fight against the Islamic State (IS), formerly known Islamic State of Iraq and the Levant (ISIL) ,in Mari village, Aleppo, Syria on August 18, 2014. (Photo by Ahmed Hasan Ubeyd/Anadolu Agency/Getty Images)
ALEPPO, SYRIA - AUGUST 18: Members of Syrian Islamic Front and Syrian opposition Mujahidin Brigade members guard to fight against the Islamic State (IS), formerly known Islamic State of Iraq and the Levant (ISIL) ,in Mari village, Aleppo, Syria on August 18, 2014. (Photo by Ahmed Hasan Ubeyd/Anadolu Agency/Getty Images)
ALEPPO, SYRIA - AUGUST 18: Members of Syrian Islamic Front and Syrian opposition Mujahidin Brigade members guard to fight against the Islamic State (IS), formerly known Islamic State of Iraq and the Levant (ISIL) ,in Mari village, Aleppo, Syria on August 18, 2014. (Photo by Ahmed Hasan Ubeyd/Anadolu Agency/Getty Images)
ALEPPO, SYRIA - AUGUST 18: Members of Syrian Islamic Front and Syrian opposition Mujahidin Brigade members guard to fight against the Islamic State (IS), formerly known Islamic State of Iraq and the Levant (ISIL) ,in Mari village, Aleppo, Syria on August 18, 2014. (Photo by Ahmed Hasan Ubeyd/Anadolu Agency/Getty Images)
ALEPPO, SYRIA - AUGUST 18: Members of Syrian Islamic Front and Syrian opposition Mujahidin Brigade members guard to fight against the Islamic State (IS), formerly known Islamic State of Iraq and the Levant (ISIL) ,in Mari village, Aleppo, Syria on August 18, 2014. (Photo by Ahmed Hasan Ubeyd/Anadolu Agency/Getty Images)
ALEPPO, SYRIA - AUGUST 18: Some of Syrians flee from Mari village due to the threat of ISIL in Aleppo, Syria on August 18, 2014. Members of Syrian Islamic Front and Syrian opposition Mujahidin Brigade members guard to fight against the Islamic State (IS), formerly known Islamic State of Iraq and the Levant (ISIL). (Photo by Ahmed Hasan Ubeyd/Anadolu Agency/Getty Images)
ALEPPO, SYRIA - AUGUST 18: Members of Syrian Islamic Front and Syrian opposition Mujahidin Brigade members guard to fight against the Islamic State (IS), formerly known Islamic State of Iraq and the Levant (ISIL) ,in Mari village, Aleppo, Syria on August 18, 2014. (Photo by Ahmed Hasan Ubeyd/Anadolu Agency/Getty Images)
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KABUL, Afghanistan (AP) - The U.S. has begun surveillance flights over Syria after President Barack Obama gave the OK, U.S. officials said, a move that could pave the way for airstrikes against Islamic State militant targets there.

While the White House says Obama has not approved military action inside Syria, additional intelligence on the militants would likely be necessary before he could take that step. Pentagon officials have been drafting potential options for the president, including airstrikes.

One official said the administration has a need for reliable intelligence from Syria and called the surveillance flights an important avenue for obtaining data.

Two U.S. officials said Monday that Obama had approved the flights, while another U.S. official said early Tuesday that they had begun. The officials were not authorized to discuss the matter by name, and spoke only on condition of anonymity.

Will U.S. Surveillance Of ISIS Lead To Airstrikes In Syria?

Army Gen. Martin Dempsey, chairman of the Joint Chiefs of Staff, told reporters in Kabul, Afghanistan, on Tuesday that the U.S. wants more clarity on the militants in Syria, but declined to comment on the surveillance flights.

"Clearly the picture we have of ISIS on the Iraqi side is a more refined picture," said Dempsey, using one of the acronyms for the Islamic State group. "The existence and activities of ISIS on the Syrian side, we have ... some insights into that but we certainly want to have more insights into that as we craft a way forward."

The U.S. began launching strikes against the Islamic State inside Iraq earlier this month, with Obama citing the threat to American personnel in the country and a humanitarian crisis in the north as his rationale. Top Pentagon officials have said the only way the threat from the militants can be fully eliminated is to go after the group inside neighboring Syria as well.

Obama has long resisted taking military action in Syria, a step that would plunge the U.S. into a country ravaged by an intractable civil war. However, the president's calculus appears to have shifted since the Islamic State announced last week that it had murdered American journalist James Foley, who was held hostage in Syria. The group is also threatening to kill other U.S. citizens being held by the extremists in Syria.

Dempsey, who was in Kabul for the U.S. military's change of command ceremony, has said he would recommend the military move against the Islamic State militants if there is a threat to the homeland. He didn't rule out strikes for any other critical reasons, but listed the homeland threat as one key trigger.

Dempsey also said the U.S. has been meeting with allies in the region to help develop a better understanding of the Islamic State group's threat. He said he believes those talks are now beginning to "set the conditions for some kind of coalition to form."

He said they are "trying to better understand the threat that ISIS poses, not just in Iraq and Syria but regionally." Dempsey has said he believes key allies in the region - including Jordan, Turkey and Saudi Arabia - will join the U.S. in quashing the Islamic State group.

White House spokesman Josh Earnest said Monday that Obama has demonstrated his willingness to order military action when necessary to protect American citizens.

"That is true without regard to international boundaries," he said.

The White House would not comment on Obama's decision to authorize surveillance flights over Syria.

"We're not going to comment on intelligence or operational issues, but as we've been saying, we'll use all the tools at our disposal," said Caitlin Hayden, spokeswoman for the White House National Security Council.

The U.S. had already stepped up its air surveillance of the Islamic State inside Iraq earlier this year as Obama began considering the prospect of airstrikes there. And the administration has run some surveillance missions over Syria, including ahead of an attempted mission to rescue Foley and other U.S. hostages earlier this summer.

The U.S. special forces who were sent into Syria to carry out the rescue mission did not find the hostages at the location where the military thought they were being held. Officials who confirmed the failed rescue last week said the U.S. was continuing to seek out intelligence on the other hostages' whereabouts.

Administration officials have said a concern for Obama in seeking to take out the Islamic State inside Syria is the prospect that such a move could unintentionally help embattled Syrian President Bashar Assad. A top Syrian official said Monday any U.S. airstrikes without consent from Syria would be considered an aggression.

The Islamic State is among the groups seeking Assad's ouster, along with rebel forces aided by the U.S.

The White House on Monday tried to tamp down the notion that action against the Islamic State could bolster Assad, with Earnest saying, "We're not interested in trying to help the Assad regime." However, he acknowledged that "there are a lot of cross pressures here."

The US has begun surveillance flights over Syria
FILE - In this Wednesday, July 16, 2014 file photo released by the Syrian official news agency SANA, Syria's President Bashar Assad is sworn for his third, seven-year term, in Damascus, Syria. The Syrian government has said it welcomes U.S. airstrikes against the Islamic State group in Syria. But it had been gambling that Washington would partner with it against the extremists, hoping for a dramatic reversal in the U.S. policy calling for Assad’s removal. (AP Photo/SANA, File)
Syrian men stand at the site of a car bomb explosion in the al-Zahraa neighborhood in Homs on October 29, 2014. At least 37 people, including children, were injured in the attack on the government-controlled neighbourhood in the central Syrian city of Homs, state television reported. The majority of Al-Zahraa's residents are Alawite, the same sect as President Bashar al-Assad. AFP PHOTO/ STR (Photo credit should read STR/AFP/Getty Images)
In this photo provided by the anti-government activist group Aleppo Media Center (AMC), which has been authenticated based on its contents and other AP reporting, a Free Syrian Army fighter aims his weapon during a battle with Syrian government forces in Aleppo, Syria, Friday, Oct. 3, 2014. (AP Photo/Aleppo Media Center AMC)
A military plane of the US led coalition circles above the Syrian town of Kobani, seen from a hilltop outside Suruc, on the Turkey-Syria border Sunday, Nov. 9, 2014. Kobani, also known as Ayn Arab, and its surrounding areas, has been under assault by extremists of the Islamic State group since mid-September and is being defended by Kurdish fighters. (AP Photo/Vadim Ghirda)
FILE - This undated file photo posted on Monday, Nov. 4, 2014 by the Raqqa Media Office of the Islamic State group, a militant extremist group, shows Islamic state group fighters in Kobani, Syria. For a force that has built its reputation on projecting an aura of momentum and invincibility, the prolonged stalemate in Kobani is a setback for Islamic State militants with potential implications in terms of recruitment and support. Nearly two months after it launched its lightning assault on the small Kurdish town, the group is bogged down with an increasingly entrenched and costly battle in which hundreds of its fighters have been killed and a good deal of its military apparatus destroyed. (AP Photo/Raqqa Media Office, File)
A poster of Syrian President Bashar al-Assad adorns a wall as the vehicle of United Nations special envoy for Syria Staffan de Mistura leaves his hotel on November 9, 2014 in the capital Damascus. De Mistura is expected to meet Bashar al-Assad to relaunch peace efforts in the country ravaged by close to four years of civil war. AFP PHOTO/ LOUAI BESHARA (Photo credit should read LOUAI BESHARA/AFP/Getty Images)
This photo provided by an anti-Bashar Assad activist group Edlib News Network (ENN), which has been authenticated based on its contents and other AP reporting, shows parts of a missile that activists say was fired by coalition airstrikes, in the village of Kfar Derian, a base for the al-Qaida-linked Nusra Front, a rival of the Islamic State group, between the northern province of Aleppo and Idlib, Syria, Tuesday Sept. 23, 2014. Syria said Tuesday that Washington informed President Bashar Assad's government of imminent U.S. airstrikes against the Islamic State group, hours before an American-led military coalition pounded the extremists' strongholds across northern and eastern Syria. (AP Photo/Edlib News Network ENN)
This photo provided by an anti-Bashar Assad activist group Edlib News Network (ENN), which has been authenticated based on its contents and other AP reporting, shows Syrian citizens checking a damaged house that they say was targeted by the coalition airstrikes, in the village of Kfar Derian, a base for the al-Qaida-linked Nusra Front, a rival of the Islamic State group, between the northern province of Aleppo and Idlib, Syria, Tuesday Sept. 23, 2014. Syria said Tuesday that Washington informed President Bashar Assad's government of imminent U.S. airstrikes against the Islamic State group, hours before an American-led military coalition pounded the extremists' strongholds across northern and eastern Syria. (AP Photo/Edlib News Network ENN)
In this Saturday, Sept. 27 2014 photo, provided by the anti-government activist group Syrian Observatory for Human Rights, which has been authenticated based on its contents and other AP reporting, shows Syrians walking amid the rubble of damaged houses following a Syrian government airstrike in Aleppo, Syria. (AP Photo/Syrian Observatory for Human Rights)
FILE - In this Sunday, Aug. 26, 2012 file photo, Syrian rebel fighter Tawfiq Hassan, 23, a former butcher, poses for a picture, after returning from fighting against Syrian army forces in Aleppo, at a rebel headquarters in Marea on the outskirts of Aleppo city, Syria. Saudi Arabia and other Gulf petro-powerhouses encouraged a flow of cash to Sunni rebels in Syria for years. But now they face a worrying blowback as an al-Qaida breakaway group that benefited from some of the funding storms across a wide swath of Iraq. Gulf nations fear its extremism could be a threat to them as well. But the tangle of rivalries in the region is complex: Saudi Arabia and its allies firmly oppose any U.S. military action to stop the Islamic State’s advance in Iraq because they don’t want to boost its Shiite-led prime minister or his ally, Iran. (AP Photo/Muhammed Muheisen, File)
ALEPPO, SYRIA - NOVEMBER 08: Armed members of Islamic Front stand guard at their positions during clashes between the Islamic State of Iraq and the Levant (ISIL) and troops of Islamic Front in the Mari district of Aleppo, Syria, on November 8, 2014. (Photo by Ahmed Muhammed Ali/Anadolu Agency/Getty Images)
ALEPPO, SYRIA - NOVEMBER 09: Members of Civil Defense team try to rescue the people from the debris of a building in the Al-Bab district of Aleppo, Syria, on November 9, 2014. After a helicopter of Syrian army attacked with a barrel bomb on the Al-Bab district of Aleppo which is under control of the Islamic State of Iraq and the Levant (ISIL), 10 people killed and 25 others were injured. (Photo by Stringer/Anadolu Agency/Getty Images)
KOBANI, SYRIA - NOVEMBER 8: Armed Kurdish fighters are seen during the clashes with Islamic State of Iraq and Levant (ISIL) members in Kobani (Ayn al-Arab), Syria on November 8, 2014. According to the armed groups the movement of the ISIL is slow downed after the US-led coalition airstrikes and with the support of Free Syrian Army members and Kurdish Peshmerga forces in Kobani. (Photo by Ahmed Deeb/Anadolu Agency/Getty Images)
In this photo posted on August 10, 2014, provided by Civil Defense Idlib, a group of volunteers in northern Syria which has been authenticated based on its contents and other AP reporting, show Syrian civil defense workers with their white helmets, set their equipments on a pickup, in Idlib province, northern Syria. Thousands of miles from his ravaged hometown of Idlib in the comfort and security of midtown Manhattan, Raed Saleh chokes up as he recalls some of the horrors he has witnessed as a rescue worker in northern Syria. He feels angry, cheated and most of all, deeply sad for his country. "We were rescuing people from Syrian regime strikes. Today we are rescuing people from coalition strikes," he says. (AP Photo/Civil Defense Idlib)
In this photo posted on December 13, 2013, provided by Civil Defense Idlib, a group of volunteers in northern Syria which has been authenticated based on its contents and other AP reporting, show Syrian civil defense workers with their white helmets posing for a picture, in Idlib province, northern Syria. Thousands of miles from his ravaged hometown of Idlib in the comfort and security of midtown Manhattan, Raed Saleh chokes up as he recalls some of the horrors he has witnessed as a rescue worker in northern Syria. He feels angry, cheated and most of all, deeply sad for his country. "We were rescuing people from Syrian regime strikes. Today we are rescuing people from coalition strikes," he says. (AP Photo/Civil Defense Idlib)
In this photo posted on August 21, 2014, provided by Civil Defense Idlib, a group of volunteers in northern Syria which has been authenticated based on its contents and other AP reporting, show Syrian civil defense workers with their white helmets, carry on of their comrade during a training session, in Idlib province, northern Syria. Thousands of miles from his ravaged hometown of Idlib in the comfort and security of midtown Manhattan, Raed Saleh chokes up as he recalls some of the horrors he has witnessed as a rescue worker in northern Syria. He feels angry, cheated and most of all, deeply sad for his country. "We were rescuing people from Syrian regime strikes. Today we are rescuing people from coalition strikes," he says. (AP Photo/Civil Defense Idlib)
In this photo posted on September 21, 2014, provided by Civil Defense Idlib, a group of volunteers in northern Syria which has been authenticated based on its contents and other AP reporting, show Syrian civil defense workers with their white helmets, center, remove debris from a damged building which was shelled by the syrian government forces, in Idlib province, northern Syria. Thousands of miles from his ravaged hometown of Idlib in the comfort and security of midtown Manhattan, Raed Saleh chokes up as he recalls some of the horrors he has witnessed as a rescue worker in northern Syria. He feels angry, cheated and most of all, deeply sad for his country. "We were rescuing people from Syrian regime strikes. Today we are rescuing people from coalition strikes," he says. (AP Photo/Civil Defense Idlib)
A picture taken from the Israeli-annexed Golan Heights shows smoke billowing near the Syrian village of Jubata al-Khashab following an explosion during fighting between forces loyal to Syrian President Bashar Assad and rebel fighters, on September 23, 2014. Israel will respond 'forcefully' to attempts to threaten its security, Defence Minister Moshe Yaalon warned, after it shot down a Syrian warplane over the Golan Heights. AFP PHOTO/ JALAA MAREY (Photo credit should read JALAA MAREY/AFP/Getty Images)
Smoke rises from the Syrian Syrian village of Jubata al-Khashab after it was bombed by a Syrian fighter jet on September 23, 2014, moments before the jet was shot down by the Israeli military over the Golan Heights. Israel shot down a Syrian fighter jet over the Golan Heights, the army said, indicating that it had crossed the ceasefire line into the Israeli-occupied sector. It was the most serious incident to take place on the strategic plateau since the outbreak of the Syrian civil war in 2011. AFP PHOTO/ JALAA MAREY (Photo credit should read JALAA MAREY/AFP/Getty Images)
A Syrian fighter jet is seen in flames after it was hit by the Israeli military over the Golan Heights on September 23, 2014. Israel shot down a Syrian fighter jet over the Golan Heights, the army said, indicating that it had crossed the ceasefire line into the Israeli-occupied sector. It was the most serious incident to take place on the strategic plateau since the outbreak of the Syrian civil war in 2011. AFP PHOTO/ JALAA MAREY (Photo credit should read JALAA MAREY/AFP/Getty Images)
Smoke rises from the Syrian village of Jubata al-Khashab after it was bombed by a Syrian fighter jet on September 23, 2014, moments before a Syrian jet was shot down by the Israeli military over the Golan Heights. Israel shot down a Syrian fighter jet over the Golan Heights, the army said, indicating that it had crossed the ceasefire line into the Israeli-occupied sector. It was the most serious incident to take place on the strategic plateau since the outbreak of the Syrian civil war in 2011. AFP PHOTO/ JALAA MAREY (Photo credit should read JALAA MAREY/AFP/Getty Images)
A Syrian fighter jet is seen in flames after it was hit by the Israeli military over the Golan Heights on September 23, 2014. Israel shot down a Syrian fighter jet over the Golan Heights, the army said, indicating that it had crossed the ceasefire line into the Israeli-occupied sector. It was the most serious incident to take place on the strategic plateau since the outbreak of the Syrian civil war in 2011. AFP PHOTO/ JALAA MAREY (Photo credit should read JALAA MAREY/AFP/Getty Images)
A convoy of United Nations Disengagement Observer Force (UNDOF) vehicles is seen as it leaves the Syrian side of the Golan Heights into the Israeli-occupied side of the strategic plateau, on September 15, 2014. Troops of the UNDOF were withdrawing from the Syrian part of the Golan Heights due to security reasons. The UNDOF is monitoring a 1974 ceasefire agreement between Israel and Syria on the Golan Heights. AFP PHOTO / JALAA MAREY (Photo credit should read JALAA MAREY/AFP/Getty Images)
In this photo taken on Tuesday, Sept. 16, 2014, U.N. peacekeepers from the United Nations Disengagement Observer Force, also known as UNDOF, observe Syria's Quneitra province at an observation point on Mt. Bental in the Israeli-controlled Golan Heights, overlooking the border with Syria. For four decades, a multinational United Nations mission has quietly monitored the sleepy Golan Heights — providing a symbol of stability between bitter enemies as it enforced a truce between Israel and Syria. But as Syria has plunged into civil war and the peacekeepers themselves have become targets of al-Qaida-linked rebels, the U.N. observer force has begun to fall apart, leaving its future — and the prospects for ever establishing peace in this rugged area of the Middle East — in doubt.(AP Photo/Tsafrir Abayov)
In this photo taken on Tuesday, Sept. 16, 2014, Tayes , 86, a Druze shop owner, stands in his shop in Majdal Shams in Israeli-controlled Golan Heights near the border with Syria. For four decades, a multinational United Nations mission has quietly monitored the sleepy Golan Heights — providing a symbol of stability between bitter enemies as it enforced a truce between Israel and Syria. But as Syria has plunged into civil war and the peacekeepers themselves have become targets of al-Qaida-linked rebels, the U.N. observer force has begun to fall apart, leaving its future — and the prospects for ever establishing peace in this rugged area of the Middle East — in doubt. (AP Photo/Tsafrir Abayov)
In this photo taken on Tuesday, Sept. 16, 2014, a Druze man looks through binoculars towards the fighting in the Syrian side of the Golan as seen from the Israeli-controlled Golan Heights. For four decades, a multinational United Nations mission has quietly monitored the sleepy Golan Heights — providing a symbol of stability between bitter enemies as it enforced a truce between Israel and Syria. But as Syria has plunged into civil war and the peacekeepers themselves have become targets of al-Qaida-linked rebels, the U.N. observer force has begun to fall apart, leaving its future — and the prospects for ever establishing peace in this rugged area of the Middle East — in doubt. (AP Photo/Tsafrir Abayov)
An Israeli soldier observes Syria's Quneitra province at an observation point on Mount Bental in the Israeli-controlled Golan Heights, overlooking the border with Syria, Monday, Sept. 1, 2014. (AP Photo/Sebastian Scheiner)
Israeli soldiers block a main road near the Quneitra border crossing in the Israeli-occupied Golan Heights on September 1, 2014 , following heavy fighting between Syrian government troops and opposition forces in Syrian territory, near the Quneitra crossing. Israel downed a drone over the occupied Golan Heights yesterday, the army said, amid mounting tension on the UN-patrolled armistice line with Syria on the strategic plateau. AFP PHOTO /MENAHEM KAHANA (Photo credit should read MENAHEM KAHANA/AFP/Getty Images)
U.N. soldiers observe Syria's Quneitra province at an observation point on Mount Bental in the Israeli-controlled Golan Heights, overlooking the border with Syria, Monday, Sept. 1, 2014. (AP Photo/Sebastian Scheiner)
A picture taken from the Israeli-annexed Golan Heights, shows a group of rebel fighters walking behind the Israeli border with Syria near the Quneitra border crossing, on the Syrian side of the Golan, on September 2, 2014. The unrest on Israel's doorstep followed a spillover of mortar and gunfire into Israeli-controlled territory, putting the Jewish state on high alert and prompting it to shoot down a drone over the occupied plateau. AFP PHOTO/ MENAHEM KAHANA (Photo credit should read MENAHEM KAHANA/AFP/Getty Images)
Israeli soldiers block a main road near the Quneitra border crossing in the Israeli-occupied Golan Heights on September 1, 2014 , following heavy fighting between Syrian government troops and opposition forces in Syrian territory, near the Quneitra crossing. Israel downed a drone over the occupied Golan Heights yesterday, the army said, amid mounting tension on the UN-patrolled armistice line with Syria on the strategic plateau. AFP PHOTO /MENAHEM KAHANA (Photo credit should read MENAHEM KAHANA/AFP/Getty Images)
Israeli soldiers block a main road near the Quneitra border crossing in the Israeli-occupied Golan Heights on September 1, 2014 , following heavy fighting between Syrian government troops and opposition forces in Syrian territory, near the Quneitra crossing. Israel downed a drone over the occupied Golan Heights yesterday, the army said, amid mounting tension on the UN-patrolled armistice line with Syria on the strategic plateau. AFP PHOTO /MENAHEM KAHANA (Photo credit should read MENAHEM KAHANA/AFP/Getty Images)
In a picture taken from the Israeli-annexed Golan Heights, smoke billows from the Syrian village of Quneitra following an explosion during fighting, between forces loyal to Syrian President Bashar Assad and rebels, near the Quneitra border crossing on August 31, 2014. Heavy fighting between Syrian government troops and opposition forces overflowed into the buffer zone separating Syrian and Israeli-occupied territory over the weekend. AFP PHOTO/ MENAHEM KAHANA (Photo credit should read MENAHEM KAHANA/AFP/Getty Images)
Members of United Nations Disengagement Observer Force (UNDOF) use binoculars to watch the Syrian side of the Golan Heights at Mount Bental near the Quneitra border crossing in the Israeli occupied Golan Heights on August 31, 2014. Heavy fighting between Syrian government troops and opposition forces flowed into the buffer zone separating Syrian and Israeli-occupied territory at the weekend. Dozens of Filipino UN peacekeepers escaped the hot zone overnight after rebels rammed their Golan Heights outpost with armed trucks, the Philippine military said. AFP PHOTO/ MENAHEM KAHANA (Photo credit should read MENAHEM KAHANA/AFP/Getty Images)
In a picture taken from the Israeli-annexed Golan Heights, smoke billows from the Syrian village of Quneitra following an explosion during fighting, between forces loyal to Syrian President Bashar Assad and rebels, near the Quneitra border crossing on August 31, 2014. Heavy fighting between Syrian government troops and opposition forces overflowed into the buffer zone separating Syrian and Israeli-occupied territory over the weekend. AFP PHOTO/ MENAHEM KAHANA (Photo credit should read MENAHEM KAHANA/AFP/Getty Images)
An Irish member from the United Nations Disengagement Observer Force (UNDOF) sits in an armoured personnel carrier as he maneuvers, near the border of Syrian territory, close to the town of Buqaata in the Israeli-annexed Golan Heights on August 31, 2014. Heavy fighting between Syrian government troops and opposition forces flowed into the buffer zone separating Syrian and Israeli-occupied territory at the weekend. Dozens of Filipino UN peacekeepers escaped the hot zone overnight after rebels rammed their Golan Heights outpost with armed trucks, the Philippine military said. AFP PHOTO/ MENAHEM KAHANA (Photo credit should read MENAHEM KAHANA/AFP/Getty Images)
Irish members from the United Nations Disengagement Observer Force (UNDOF) convoy maneuver, near the border of Syrian territory, close to the town of Buqaata in the Israeli-annexed Golan Heights on August 31, 2014. Heavy fighting between Syrian government troops and opposition forces flowed into the buffer zone separating Syrian and Israeli-occupied territory at the weekend. Dozens of Filipino UN peacekeepers escaped the hot zone overnight after rebels rammed their Golan Heights outpost with armed trucks, the Philippine military said. AFP PHOTO/ MENAHEM KAHANA (Photo credit should read MENAHEM KAHANA/AFP/Getty Images)
A picture taken in the Israeli-occupied Golan Heights on August 31, 2014, shows members of United Nations Disengagement Observer Force (UNDOF) using binoculars to watch the Syrian side of the Golan Heights near the Quneitra border crossing. Some of the UNDOF peacekeepers caught up in heavy fighting on the Golan Heights reached safety after the rebels, some linked to Al-Qaeda, surrounded them and demanded their weapons. AFP PHOTO / JALAA MAREY (Photo credit should read MENAHEM KAHANA/AFP/Getty Images)
Israeli soldiers patrol on the Israeli-occupied Golan Heights near the Quneitra crossing, the only border crossing between Israel and Syria, on August 30, 2014. Philippine UN peacekeepers in the Golan Heights clashed with Syrian rebels, Philippine Defence Minister Voltaire Gazmin said in Manila, after Syrian rebels, including fighters from the Al-Qaeda affiliate Al-Nusra Front, stormed the Golan Heights crossing on August 27, surrounding 70 Filipino UN Peacekeepers. AFP PHOTO/ AHMAD GHARABLI (Photo credit should read AHMAD GHARABLI/AFP/Getty Images)
Irish members of the United Nations Disengagement Observer Force (UNDOF) sit on their armoured vehicles in the Israeli-annexed Golan Heights as they wait to cross into the Syrian-controlled territory, on August 28, 2014. The UN has confirmed that 43 UN peacekeepers were seized in the Syrian Golan. AFP PHOTO / JACK GUEZ (Photo credit should read JACK GUEZ/AFP/Getty Images)
Israeli soldiers work on their tanks following the first death on the Israeli side of the Golan since the Syrian civil war erupted more than three years ago, near the Israeli village of Alonei Habashan, in the area of Tel Hazeka, close to the Quneitra border crossing in the Israeli-controlled Golan Heights, Sunday, June 22, 2014. A civilian vehicle in the Israeli-controlled Golan Heights was targeted by forces in neighboring Syria on Sunday in an attack that killed a 15-year-old boy and prompted Israeli tanks to retaliate by firing on Syrian government targets, the Israeli military said. (AP Photo/Oded Balilty)
An ordinance is placed next to a tank following the first death on the Israeli side of the Golan since the Syrian civil war erupted more than three years ago, near the Israeli village of Alonei Habashan, in the area of Tel Hazeka, close to the Quneitra border crossing in the Israeli-controlled Golan Heights, Sunday, June 22, 2014. A civilian vehicle in the Israeli-controlled Golan Heights was targeted by forces in neighboring Syria on Sunday in an attack that killed a 15-year-old boy and prompted Israeli tanks to retaliate by firing on Syrian government targets, the Israeli military said. (AP Photo/Oded Balilty)
Israeli soldiers work on their tank following the first death on the Israeli side of the Golan since the Syrian civil war erupted more than three years ago, near the Israeli village of Alonei Habashan, in the area of Tel Hazeka, close to the Quneitra border crossing in the Israeli-controlled Golan Heights, Sunday, June 22, 2014. (AP Photo/Oded Balilty)
Israeli soldiers load shells in their tank following the first death on the Israeli side of the Golan since the Syrian civil war erupted more than three years ago, near the Israeli village of Alonei Habashan, in the area of Tel Hazeka, close to the Quneitra border crossing in the Israeli-controlled Golan Heights, Sunday, June 22, 2014. A civilian vehicle in the Golan Heights was targeted by forces in neighboring Syria on Sunday in an attack that killed a 15-year-old boy and prompted Israeli tanks to retaliate by firing on Syrian government targets, the Israeli military said. (AP Photo/Oded Balilty)
Israeli soldiers carry shells to their tank following the first death on the Israeli side of the Golan since the Syrian civil war erupted more than three years ago, near the Israeli village of Alonei Habashan, in the area of Tel Hazeka, close to the Quneitra border crossing in the Israeli-controlled Golan Heights, Sunday, June 22, 2014. A civilian vehicle in the Golan Heights was targeted by forces in neighboring Syria on Sunday in an attack that killed a 15-year-old boy and prompted Israeli tanks to retaliate by firing on Syrian government targets, the Israeli military said. (AP Photo/Oded Balilty)
An Israeli soldier carries ordinances to his tank following the first death on the Israeli side of the Golan since the Syrian civil war erupted more than three years ago, near the Israeli village of Alonei Habashan, in the area of Tel Hazeka, close to the Quneitra border crossing in the Israeli-controlled Golan Heights, Sunday, June 22, 2014. A civilian vehicle in the Israeli-controlled Golan Heights was targeted by forces in neighboring Syria on Sunday in an attack that killed a 15-year-old boy and prompted Israeli tanks to retaliate by firing on Syrian government targets, the Israeli military said. (AP Photo/Oded Balilty)
An Israeli soldier carries a shell to his tank following the first death on the Israeli side of the Golan since the Syrian civil war erupted more than three years ago, near the Israeli village of Alonei Habashan, in the area of Tel Hazeka, close to the Quneitra border crossing in the Israeli-controlled Golan Heights, Sunday, June 22, 2014. A civilian vehicle in the Israeli-controlled Golan Heights was targeted by forces in neighboring Syria on Sunday in an attack that killed a 15-year-old boy and prompted Israeli tanks to retaliate by firing on Syrian government targets, the Israeli military said. (AP Photo/Oded Balilty)
A wounded Israeli soldier is treated in the Golan Heights, Tuesday, March 18, 2014. A roadside bomb hit an Israeli patrol near the frontier with the Golan Heights on Tuesday, the army said, wounding four soldiers in the most serious violence to strike the area since the Syrian conflict began three years ago. Israel said it responded with artillery strikes on Syrian army targets. Israel captured the Golan Heights from Syria in the 1967 Middle East war and later annexed the strategic area in a move that was not internationally recognized. (AP Photo/Jinipix) ****ISRAEL OUT***
Israeli soldiers of the Golani brigade eat after night training near the border with Syria in the Israeli-controlled Golan Heights, Wednesday, Feb. 26, 2014. Hezbollah says Israel carried out an airstrike targeting its positions in Lebanon near the border with Syria earlier this week, claiming it caused damage but no casualties. The Wednesday statement was the group's first acknowledgement of the reported Monday night airstrikes. (AP Photo/Ariel Schalit)
Israeli soldiers of the Golani brigade with prayer shawls after night training near the border with Syria in the Israeli-controlled Golan Heights, Wednesday, Feb. 26, 2014. Hezbollah says Israel carried out an airstrike targeting its positions in Lebanon near the border with Syria earlier this week, claiming it caused damage but no casualties. The Wednesday statement was the group's first acknowledgement of the reported Monday night airstrikes. (AP Photo/Ariel Schalit)
A wounded Israeli soldier is carried to a helicopter in the village of Masade in the Golan Heights, Tuesday, March 18, 2014. A roadside bomb hit an Israeli patrol near the frontier with the Golan Heights on Tuesday, the army said, wounding four soldiers in the most serious violence to strike the area since the Syrian conflict began three years ago. Israel said it responded with artillery strikes on Syrian army targets. Israel captured the Golan Heights from Syria in the 1967 Middle East war and later annexed the strategic area in a move that was not internationally recognized. (AP Photo/Jinipix) ****ISRAEL OUT***
A wounded Israeli soldier is brought to a hospital in Haifa, Israel, Tuesday, March 18, 2014. A roadside bomb hit an Israeli patrol near the frontier with the Golan Heights on Tuesday, the army said, wounding four soldiers in the most serious violence to strike the area since the Syrian conflict began three years ago. Israel said it responded with artillery strikes on Syrian army targets. Israel captured the Golan Heights from Syria in the 1967 Middle East war and later annexed the strategic area in a move that was not internationally recognized. (AP Photo/Hertzel Shapira) ****ISRAEL OUT***
Israeli soldiers of the Golani brigade adjust their weapons during training near the border with Syria in the Israeli-controlled Golan Heights, Wednesday, Feb. 26, 2014. Hezbollah says Israel carried out an airstrike targeting its positions in Lebanon near the border with Syria earlier this week, claiming it caused damage but no casualties. The Wednesday statement was the group's first acknowledgement of the reported Monday night airstrikes. (AP Photo/Ariel Schalit)
Israeli soldiers of the Golani brigade adjust their weapons during training near the border with Syria in the Israeli-controlled Golan Heights, Wednesday, Feb. 26, 2014. Hezbollah says Israel carried out an airstrike targeting its positions in Lebanon near the border with Syria earlier this week, claiming it caused damage but no casualties. The Wednesday statement was the group's first acknowledgement of the reported Monday night airstrikes. (AP Photo/Ariel Schalit)
Syrian civil defense workers rescue a man from under the rubble, on July 25, 2014, after a Syrian government helicopter allegedly dropped a barrel bomb on the Sakhour eastern neighborhood, in the northern city of Aleppo. Dozens of people have been killed in 24 hours of clashes in northern Syria between regime forces and jihadist militants, the Syrian Observatory for Human Rights said. AFP PHOTO / AMC / ZEIN AL-RIFAI (Photo credit should read ZEIN AL-RIFAI/AFP/Getty Images)
ARSAL, LEBANON - AUGUST 19: Syrian refugee kids are seen at Arsal district where more than a hundred thousand of Syrians, fled from the civil war in their country, are stuck due to the clashes between Lebanese army, Al-Nusra Front and Islamic State, IS,-led terrorist groups, in Arsal, Lebanon on August 19, 2014. (Photo by Ayse Sarioglu/Anadolu Agency/Getty Images)
ARSAL, LEBANON - AUGUST 19: A Syrian refugee kid is seen at Arsal district where more than a hundred thousand of Syrians, fled from the civil war in their country, are stuck due to the clashes between Lebanese army, Al-Nusra Front and Islamic State, IS,-led terrorist groups, in Arsal, Lebanon on August 19, 2014. (Photo by Ayse Sarioglu/Anadolu Agency/Getty Images)
ARSAL, LEBANON - AUGUST 19: A Syrian refugee kid's feet are seen at Arsal district where more than a hundred thousand of Syrians, fled from the civil war in their country, are stuck due to the clashes between Lebanese army, Al-Nusra Front and Islamic State, IS,-led terrorist groups, in Arsal, Lebanon on August 19, 2014. (Photo by Ayse Sarioglu/Anadolu Agency/Getty Images)
ARSAL, LEBANON - AUGUST 19: A Syrian refugee kid plays at Arsal district where more than a hundred thousand of Syrians, fled from the civil war in their country, are stuck due to the clashes between Lebanese army, Al-Nusra Front and Islamic State, IS,-led terrorist groups, in Arsal, Lebanon on August 19, 2014. (Photo by Ayse Sarioglu/Anadolu Agency/Getty Images)
ALEPPO, SYRIA - AUGUST 12: A Syrian kid is rescued from the wreckage by civil defence members following Syrian regime helicopters dropped barrel bombs on Bab al-Nairab district of Aleppo, Syria on August 12, 2014. (Photo by Syrian Civil Defense/Pool/Anadolu Agency/Getty Images)
Syrian civil defence workers rescue a man from under the rubble of a building following a reported barrel-bomb attack by Syrian government forces on August 11, 2014 in the Bab al-Neirab neighbourhood of the northern Syrian city of Aleppo. Last month Human Rights Watch said the number of rebel sectors hit by barrel bombs had almost doubled in five months. AFP PHOTO / ZEIN AL-RIFAI (Photo credit should read ZEIN AL-RIFAI/AFP/Getty Images)
SULAYMANIYAH, IRAQ - JULY 28: Eid al-Fitr is a special celebration for the Muslims, but for Syrian refugee children in a refugee camp, it's a bittersweet time because of the ongoging civil war in their country in Sulaymaniyah, Iraq on July 28, 2014. (Photo by Feriq Ferec/Anadolu Agency/Getty Images)
SULAYMANIYAH, IRAQ - JULY 28: Eid al-Fitr is a special celebration for the Muslims, but for Syrian refugee children in a refugee camp, it's a bittersweet time because of the ongoging civil war in their country in Sulaymaniyah, Iraq on July 28, 2014. (Photo by Feriq Ferec/Anadolu Agency/Getty Images)
ALEPPO, SYRIA - JULY 28: In spite of Syrian civil war, Syrian muslims celebrate Eid al-Fitr holiday that marks the end of the holy fasting month of Ramadan on July 28, 2014 in Aleppo, Syria. During normal times, families in Syria would be busy now with preparations for Eid al-Fitr and visiting each other, the three-day holiday marking the end of the Muslim fasting month of Ramadan. (Photo by Salih Mahmud Leyla/Anadolu Agency/Getty Images)
ALEPPO, SYRIA - JULY 20: A member of Syrian Islamic Front digs a tunnel that used to explode military quarters of Syrian regime in Aleppo, Syria on July 20, 2014. As the Syrian civil-war continues, they mined a half-mile underground-tunnel, filled it with explosives during ongoing struggles against the Syrian regime. (Photo by Salih Mahmud Leyla/Anadolu Agency/Getty Images)
ALEPPO, SYRIA - JULY 20: A member of Syrian Islamic Front carries bags inside the underground-tunnel that uses to explode military quarters of Syrian regime in Aleppo, Syria on July 20, 2014. As the Syrian civil-war continues, they mined a half-mile underground-tunnel, filled it with explosives during ongoing struggles against the Syrian regime. (Photo by Salih Mahmud Leyla/Anadolu Agency/Getty Images)
ALEPPO, SYRIA - JULY 19 : An injured kid is taken to hospital after Syrian forces bombed Aleppo's Etarib district, Syria leaving dozens of people injured, including kids on July 18, 2014. (Photo by Mamun Ebu Omer/Anadolu Agency/Getty Images)
ALEPPO, SYRIA - JULY 16 : A Syrians man lays on the floor as others inspect the damaged building after Syrian regime army helicopters dropped several barrel bombs on opponent-controlled Muyesir region of Aleppo, Syria on July 16, 2014. (Photo by Salih Mahmud Leyla/Anadolu Agency/Getty Images)
ALEPPO, SYRIA - JULY 15: Wounded people are treated at the hospitals as a result of air attacks of Syrian army in Aleppo's Atarib district, Syria on July 15, 2014. (Photo by Ahmed Hasan Udeyb/Anadolu Agency/Getty Images)
Umm Mahmud sits next to her baby Mahmud Idilbi on July 12, 2014 in the Syrian city of Aleppo as a member of Syria Civil Defence has rescued him on June 18 from under the rubble of a building in the war-battered city. Mahmud Idlibi's dramatic rescue in the flashpoint northern city, a constant target of regime air raids, was shown in a video tweeted on July 11, 2014 by the team that saved him. AFP PHOTO/AMC/ZEIN AL-RIFAI (Photo credit should read ZEIN AL-RIFAI/AFP/Getty Images)
Khaled (R), a member of Syria Civil Defence, kisses Syrian baby Mahmud Idilbi on July 12, 2014 in the Syrian city of Aleppo as Khaled has rescued the baby on June 18 from under the rubble of a building in the war-battered city. Mahmud Idlibi's dramatic rescue in the flashpoint northern city, a constant target of regime air raids, was shown in a video tweeted on July 11, 2014 by the team that saved him. AFP PHOTO/AMC/ZEIN AL-RIFAI (Photo credit should read ZEIN AL-RIFAI/AFP/Getty Images)
ALEPPO, SYRIA - JULY 10: Syrian regime helicopters dropped barrel bombs to Al-Muyassar district of Aleppo that is under control of opposition activist in Aleppo on July 10, 2014. At least 20 people were killed during the operation of Syrian regime forces. (Photo by Salih Mahmud Leyla/Anadolu Agency/Getty Images)
ALEPPO, SYRIA - JUNE 30: June 30, 2014 dated pictures show many of the mosques in city of Aleppo of Syria lying in ruins as a result of the barrel bomb attacks organized by Assad forces. The Syrians in Aleppo having even more difficult days for Ramadan, the holy month of Muslims, since imams are not able to recite the azan due to the ongoing attacks. (Photo by Salih Mahmud Leyla/Anadolu Agency/Getty Images)
ALEPPO, SYRIA - JUNE 30: June 30, 2014 dated pictures show many of the mosques in city of Aleppo of Syria lying in ruins as a result of the barrel bomb attacks organized by Assad forces. The Syrians in Aleppo having even more difficult days for Ramadan, the holy month of Muslims, since imams are not able to recite the azan due to the ongoing attacks. (Photo by Salih Mahmud Leyla/Anadolu Agency/Getty Images)
ALEPPO, SYRIA - JUNE 30: June 30, 2014 dated pictures show many of the mosques in city of Aleppo of Syria lying in ruins as a result of the barrel bomb attacks organized by Assad forces. The Syrians in Aleppo having even more difficult days for Ramadan, the holy month of Muslims, since imams are not able to recite the azan due to the ongoing attacks. (Photo by Salih Mahmud Leyla/Anadolu Agency/Getty Images)
ALEPPO, SYRIA - JUNE 30: June 30, 2014 dated pictures show many of the mosques in city of Aleppo of Syria lying in ruins as a result of the barrel bomb attacks organized by Assad forces. The Syrians in Aleppo having even more difficult days for Ramadan, the holy month of Muslims, since imams are not able to recite the azan due to the ongoing attacks. (Photo by Halit Suleyman/Anadolu Agency/Getty Images)
ALEPPO, SYRIA - JUNE 25 : At least 15 people were killed and many houses were destroyed after Syrian regime helicopters dropped barrel bombs on the opposition controlled points of Aleppo on June 25, 2014. (Photo by Halit Suleyman/Anadolu Agency/Getty Images)
ALEPPO, SYRIA - JUNE 25 : At least 15 people were killed and many houses were destroyed after Syrian regime helicopters dropped barrel bombs on the opposition controlled Tariq al-Bab of Aleppo on June 25, 2014. (Photo by Salih Mahmud Leyla/Anadolu Agency/Getty Images)
MILAN, ITALY - JUNE 18: Two Syrian children show affection while waiting along with other Syrian refugees who arrived by train to the Milano Centrale railway station from southern Italy, accompanied by Italian police on June 18, 2014 in Milan, Italy. Syria's civil war has forced hundreds of refugees, including children to leave their homes with few possessions and head to the coasts of southern Italy, continuing on to Milan by train to be identified, processed, and apply for refugee status. (Photo by Pier Marco Tacca/Getty Images)
MILAN, ITALY - JUNE 18: Syrian children play games to occupy time while waiting along with other Syrian refugees who arrived by train to the Milano Centrale railway station from southern Italy, accompanied by Italian police on June 18, 2014 in Milan, Italy. Syria's civil war has forced hundreds of refugees, including children to leave their homes with few possessions and head to the coasts of southern Italy, continuing on to Milan by train to be identified, processed, and apply for refugee status. (Photo by Pier Marco Tacca/Getty Images)
MILAN, ITALY - JUNE 18: Syrian refugees arrive by train from southern Italy, accompanied by Italian police and wait in lines to be identified at the Milano Centrale railway station on June 18, 2014 in Milan, Italy. Syria's civil war has forced hundreds of refugees, including children to leave their homes with few possessions and head to the coasts of southern Italy, continuing on to Milan by train to be identified, processed, and apply for refugee status. (Photo by Pier Marco Tacca/Getty Images)
MILAN, ITALY - JUNE 18: Syrian refugees arrive by train to long lines at the Milano Centrale railway station from southern Italy, accompanied by Italian police on June 18, 2014 in Milan, Italy. Syria's civil war has forced hundreds of refugees, including children to leave their homes with few possessions and head to the coasts of southern Italy, continuing on to Milan by train to be identified, processed, and apply for refugee status. (Photo by Pier Marco Tacca/Getty Images)
MILAN, ITALY - JUNE 18: A Syrian baby drinks from a bottle while waiting along with other Syrian refugees who arrived by train to the Milano Centrale railway station from southern Italy, accompanied by Italian police on June 18, 2014 in Milan, Italy. Syria's civil war has forced hundreds of refugees, including children to leave their homes with few possessions and head to the coasts of southern Italy, continuing on to Milan by train to be identified, processed, and apply for refugee status. (Photo by Pier Marco Tacca/Getty Images)
ALEPPO, SYRIA, JUNE 16: Syrian regime helicopters dropped barrel bombs on the Sukkari neighbourhood, an opposition-held district in the northern Syrian city of Aleppo, on June 16, 2014, killing at least 36 people, including several children, according to the Syrian Observatory for Human Right. (Photo by Ahmed Muhammed Ali/Anadolu Agency/Getty Images)
ALEPPO, SYRIA, JUNE 16: Syrian regime helicopters dropped barrel bombs on the Sukkari neighbourhood, an opposition-held district in the northern Syrian city of Aleppo, on June 16, 2014, killing at least 36 people, including several children, according to the Syrian Observatory for Human Right. (Photo by Ahmed Muhammed Ali/Anadolu Agency/Getty Images)
ALEPPO, SYRIA, JUNE 16: Syrian regime helicopters dropped barrel bombs on the Sukkari neighbourhood, an opposition-held district in the northern Syrian city of Aleppo, on June 16, 2014, killing at least 36 people, including several children, according to the Syrian Observatory for Human Right. (Photo by Ahmed Muhammed Ali/Anadolu Agency/Getty Images)
ALEPPO, SYRIA - JUNE 14: Buildings are destroyed and fire starts after a barrel bomb attack in Aleppo, Syria on 14 June, 2014. 20 people killed and tens of people wounded as a result of barrel bomb attack of Syrian army's helicopters. (Photo by Salih Mahmud Leyla/Anadolu Agency/Getty Images)
ALEPPO, SYRIA - JUNE 13: Many people get wounded and many houses are demolished after a 'vacuum bomb' attack staged by Syrian regime forces' fighter jets in Mari town of Aleppo, Syria on June 13, 2014. People carry out search and rescue operation at the debris of the houses. (Photo by Mamun Ebu Omer/Anadolu Agency/Getty Images)
ALEPPO, SYRIA - JUNE 13: Many people get wounded and many houses are demolished after a 'vacuum bomb' attack staged by Syrian regime forces' fighter jets in Mari town of Aleppo, Syria on June 13, 2014. People carry out search and rescue operation at the debris of the houses. (Photo by Mamun Ebu Omer/Anadolu Agency/Getty Images)
ALEPPO, SYRIA - JUNE 7: Many houses are demolished and damaged in an air attack staged by Syrian regime's air forces to Hayyan town of Aleppo, Syria on June 7, 2014. (Photo by Mamun Ebu Omer/Anadolu Agency/Getty Images)
ALEPPO, SYRIA - JUNE 4: Military troops of Syrian Islamic Front attack military quarters which belongs to Syrian regime in south of Aleppo, Syria on June 4, 2014. (Photo by Ahmed Hasan Ubeyd/Anadolu Agency/Getty Images)
ALEPPO, SYRIA - JUNE 02 : At least 15 people including children were killed and many injured after Syrian regime forces have launched an air attack in Aleppo, Syria on June 2, 2014. (Photo by Salih Mahmud Leyla/Anadolu Agency/Getty Images)
ALEPPO, SYRIA - JUNE 02 : At least 15 people including children were killed and many injured after Syrian regime forces have launched an air attack in Aleppo, Syria on June 2, 2014. (Photo by Salih Mahmud Leyla/Anadolu Agency/Getty Images)
ALEPPO, SYRIA - JUNE 02 : At least 15 people including children were killed and many injured after Syrian regime forces have launched an air attack in Aleppo, Syria on June 2, 2014. (Photo by Salih Mahmud Leyla/Anadolu Agency/Getty Images)
ALEPPO, SYRIA - JUNE 3: Apartments are destroyed on the attack of Syrian army with heavy weapons in Aleppo, Syria on 3 June, 2014. It is informed that 100 people (13 children, 7 women) died on the attack. (Photo by Salih Mahmud Leyla/Anadolu Agency/Getty Images)
ALEPPO, SYRIA - JUNE 02 : At least 15 people including children were killed and many injured after Syrian regime forces have launched an air attack in Aleppo, Syria on June 2, 2014. (Photo by Salih Mahmud Leyla/Anadolu Agency/Getty Images)
ALEPPO, SYRIA - MAY 28 : Many people died and many houses demolished after Syrian regime forces have launched an air attack in the town of Mari, Aleppo on May 28, 2014. (Photo by Mamun Ebu Omer/Anadolu Agency/Getty Images)
A fireman sprays water on Syrian expatriates living in Lebanon to keep them cool, as they arrive to cast their ballots in their country's presidential elections, outside the Syrian Embassy in Yarze east of Beirut on May 28, 2014. Filling the streets around the embassy in Beirut, thousands of Syrians turned out to vote in a controversial presidential election that Bashar al-Assad is expected to clinch effortlessly, as civil war rages. AFP PHOTO/ JOSEPH EID (Photo credit should read JOSEPH EID/AFP/Getty Images)
A Syrian living in Jordan takes part in a protest against the Syrian presidential elections, near the Syrian embassy in Amman on May 28, 2014. Polls open in Syrian embassies for refugees who fled their homeland through recognised checkpoints, in a controversial election expected to return President Bashar al-Assad to office despite three years of civil war. AFP PHOTO/ KHALIL MAZRAAWI (Photo credit should read KHALIL MAZRAAWI/AFP/Getty Images)
A fireman sprays water on Syrian expatriates living in Lebanon to keep them cool, as they arrive to cast their ballots in their country's presidential elections, outside the Syrian Embassy in Yarze east of Beirut on May 28, 2014. Filling the streets around the embassy in Beirut, thousands of Syrians turned out to vote in a controversial presidential election that Bashar al-Assad is expected to clinch effortlessly, as civil war rages. AFP PHOTO/ JOSEPH EID (Photo credit should read JOSEPH EID/AFP/Getty Images)
Rescue teams carry victims pulled out from the rubble of a destroyed building following a barrel bomb strike said to be launched by Syrian government forces on May 26, 2014 in the northern Syrian city of Aleppo in which serveral people were reported killed or wounded. Syrian President Bashar al-Assad, facing two little-known challengers in a June 3 presidential election, is widely expected to clinch a third seven-year term despite Syria's civil war, which has killed more than 160,000 people. AFP PHOTO / BARAA AL-HALABI (Photo credit should read BARAA AL-HALABI/AFP/Getty Images)
Syrian men search the rubble for survivors in a destroyed building following reported barrel bomb strikes by Syrian government forces on May 26, 2014 in the northern Syrian city of Aleppo. Syrian President Bashar al-Assad, facing two little-known challengers in a June 3 presidential election, is widely expected to clinch a third seven-year term despite Syria's civil war, which has killed more than 160,000 people. AFP PHOTO / BARAA AL-HALABI (Photo credit should read BARAA AL-HALABI/AFP/Getty Images)
ALEPPO, SYRIA - MAY 4: Islamic Front forces staged a Grad rocket attack in Breyc village, under the control of Syrian regime, Aleppo on May 4, 2013. (Photo by Ahmed Hasan Ubeyd/Anadolu Agency/Getty Images)
ALEPPO, SYRIA - MAY 4: Islamic Front forces staged a Grad rocket attack in Breyc village, under the control of Syrian regime, Aleppo on May 4, 2013. (Photo by Ahmed Hasan Ubeyd/Anadolu Agency/Getty Images)
Wounded people receive medical care at a makeshift hospital following a reported bombardment with explosive-packed 'barrel bombs' by Syrian government forces on May 4, 2014 in the al-Sakhour district of the northern city of Aleppo. The June 3 election in Syria is being held amid a brutal civil war that has killed more than 150,000 people since March 2011 and made millions homeless. AFP PHOTO / AMC / ZEIN AL RIFAI (Photo credit should read ZEIN AL-RIFAI/AFP/Getty Images)
ALEPPO, SYRIA - MAY 3: At least 53 people including women and children were killed on Saturday in rebel-held areas of Syria, which were hit by regime artillery and airstrikes in Aleppo on May 3, 2014. (Photo by Mamun Ebu Omer/Anadolu Agency/Getty Images)
ALEPPO, SYRIA - MAY 3: At least 53 people including women and children were killed on Saturday in rebel-held areas of Syria, which were hit by regime artillery and airstrikes in Aleppo on May 3, 2014. (Photo by Mamun Ebu Omer/Anadolu Agency/Getty Images)
HATAY, TURKEY - APRIL 28: 2 of the 34 Syrians wounded during the clashes in Kasab town of Latakia, near turkish border, who were brought to Turkish city of Hatay has lost their lives, April 28, 2014. (Photo by Halit Demir/Anadolu Agency/Getty Images)
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