US detects heat around doomed Russian jet before crash

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Details Only Adding To Mystery Of Russian Airliner Crash

ST. PETERSBURG, Russia (AP) -- U.S. satellite systems detected heat around a Russian passenger jet before it crashed in Egypt and killed all 224 people aboard, two U.S. officials said Tuesday.

One of the officials said they ruled out a missile striking the Metrojet Airbus A321-200 because neither a launch nor an engine burn had been detected.

The infrared activity that was detected could mean many things, including a bomb or that an engine on the plane exploded because of a malfunction.

See photos of the crash site:

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Russian plane crash in Egypt wreckage and aftermath
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US detects heat around doomed Russian jet before crash
Debris belonging to the A321 Russian airliner are seen at the site of the crash in Wadi el-Zolmat, a mountainous area in Egypt's Sinai Peninsula on November 1, 2015. International investigators began probing why a Russian airliner carrying 224 people crashed in Egypt's Sinai Peninsula, killing everyone on board, as rescue workers widened their search for missing victims. AFP PHOTO / KHALED DESOUKI (Photo credit should read KHALED DESOUKI/AFP/Getty Images)
SUEZ, EGYPT - NOVEMBER 01: A plane part is seen as the Egyptian officials inspect the crash site of Russian Airliner in Suez, Egypt on November 01, 2015. A Russian Airbus-321 airliner with 224 people aboard crashed in Egypt's Sinai Peninsula on yesterday. According to Egypts Civil Aviation Authority, the plane had been lost contact with air-traffic controllers shortly after taking off from the Egyptian Red Sea resort city of Sharm el-Sheikh en route to St Petersburg. (Photo by Alaa El Kassas/Anadolu Agency/Getty Images)
Debris of the A321 Russian airliner lie on the ground a day after the plane crashed in Wadi al-Zolomat, a mountainous area in Egypt's Sinai Peninsula, on November 1, 2015. International investigators began probing why the Russian airliner carrying 224 people crashed in the Sinai Peninsula, killing everyone on board, as rescue workers widened their search for missing victims. AFP PHOTO / KHALED DESOUKI (Photo credit should read KHALED DESOUKI/AFP/Getty Images)
Debris of the A321 Russian airliner lie on the ground a day after the plane crashed in Wadi al-Zolomat, a mountainous area in Egypt's Sinai Peninsula, on November 1, 2015. International investigators began probing why the Russian airliner carrying 224 people crashed in the Sinai Peninsula, killing everyone on board, as rescue workers widened their search for missing victims. AFP PHOTO / KHALED DESOUKI (Photo credit should read KHALED DESOUKI/AFP/Getty Images)
SUEZ, EGYPT - NOVEMBER 01: Egyptian officials inspect the crash site of Russian Airliner in Suez, Egypt on November 01, 2015. A Russian Airbus-321 airliner with 224 people aboard crashed in Egypt's Sinai Peninsula on yesterday. According to Egypts Civil Aviation Authority, the plane had been lost contact with air-traffic controllers shortly after taking off from the Egyptian Red Sea resort city of Sharm el-Sheikh en route to St Petersburg. (Photo by Alaa El Kassas/Anadolu Agency/Getty Images)
SUEZ, EGYPT - NOVEMBER 01: Egyptian officials inspect the crash site of Russian Airliner in Suez, Egypt on November 01, 2015. A Russian Airbus-321 airliner with 224 people aboard crashed in Egypt's Sinai Peninsula on yesterday. According to Egypts Civil Aviation Authority, the plane had been lost contact with air-traffic controllers shortly after taking off from the Egyptian Red Sea resort city of Sharm el-Sheikh en route to St Petersburg. (Photo by Alaa El Kassas/Anadolu Agency/Getty Images)
CAIRO, EGYPT - OCTOBER 31: Ambulances bring the bodies of the victims found at crash site of Russian Airliner, at Zinhoum Hospital's Morgue in Cairo, Egypt on October 31, 2015. A Russian Airbus-321 airliner with 224 people aboard crashed in Egypt's Sinai Peninsula on Saturday, according to the Egyptian Prime Minister's office. According to Egypts Civil Aviation Authority, the plane lost contact with air-traffic controllers shortly after taking off from the Egyptian Red Sea resort city of Sharm el-Sheikh en route to St Petersburg. (Photo by Ibrahim Ramadan/Anadolu Agency/Getty Images)
CAIRO, EGYPT - OCTOBER 31: Ambulances bring the bodies of the victims found at crash site of Russian Airliner, at Zinhoum Hospital's Morgue in Cairo, Egypt on October 31, 2015. A Russian Airbus-321 airliner with 224 people aboard crashed in Egypt's Sinai Peninsula on Saturday, according to the Egyptian Prime Minister's office. According to Egypts Civil Aviation Authority, the plane lost contact with air-traffic controllers shortly after taking off from the Egyptian Red Sea resort city of Sharm el-Sheikh en route to St Petersburg. (Photo by Ibrahim Ramadan/Anadolu Agency/Getty Images)
CAIRO, EGYPT - OCTOBER 31: Ambulances bring the bodies of the victims found at crash site of Russian Airliner, at Zinhoum Hospital's Morgue in Cairo, Egypt on October 31, 2015. A Russian Airbus-321 airliner with 224 people aboard crashed in Egypt's Sinai Peninsula on Saturday, according to the Egyptian Prime Minister's office. According to Egypts Civil Aviation Authority, the plane lost contact with air-traffic controllers shortly after taking off from the Egyptian Red Sea resort city of Sharm el-Sheikh en route to St Petersburg. (Photo by Ibrahim Ramadan/Anadolu Agency/Getty Images)
CAIRO, EGYPT - OCTOBER 31: Ambulances bring the bodies of the victims found at crash site of Russian Airliner, at Zinhoum Hospital's Morgue in Cairo, Egypt on October 31, 2015. A Russian Airbus-321 airliner with 224 people aboard crashed in Egypt's Sinai Peninsula on Saturday, according to the Egyptian Prime Minister's office. According to Egypts Civil Aviation Authority, the plane lost contact with air-traffic controllers shortly after taking off from the Egyptian Red Sea resort city of Sharm el-Sheikh en route to St Petersburg. (Photo by Ibrahim Ramadan/Anadolu Agency/Getty Images)
Egyptian ambulance arrives to Kabret military air base by the Suez Canal on October 31, 2015, after victims of a Russian airliner that crashed in the Sinai Peninsula were brought to the base before being transported to a morgue. Egypt's government said 15 bodies have been recovered and transferred to a morgue so far from the site of the crash. AFP PHOTO / KHALED DESOUKI (Photo credit should read KHALED DESOUKI/AFP/Getty Images)
Egyptian paramedics load the corpses of Russian victims of a Russian passenger plane crash in the Sinai Peninsula, into a military plane at Kabret military air base by the Suez Canal on October 31, 2015. Egypt's government said 15 bodies have been recovered and transferred to a morgue so far from the site of the crash. AFP PHOTO / KHALED DESOUKI (Photo credit should read KHALED DESOUKI/AFP/Getty Images)
SUEZ, EGYPT - OCTOBER 31: Egyptian officials receives the corpses of 34 passengers, found at crash site of Russian Airliner, at Kabret Military Base in Suez, Egypt on October 31, 2015. A Russian Airbus-321 airliner with 224 people aboard crashed in Egypt's Sinai Peninsula on Saturday, according to the Egyptian Prime Minister's office. According to Egypts Civil Aviation Authority, the plane lost contact with air-traffic controllers shortly after taking off from the Egyptian Red Sea resort city of Sharm el-Sheikh en route to St Petersburg. (Photo by Mostafa El Shemy/Anadolu Agency/Getty Images)
Egyptian ambulances line up at Kabret military air base by the Suez Canal on October 31, 2015, after victims of a Russian airliner that crashed in the Sinai Peninsula were brought to the base before being transported to a morgue. Egypt's government said 15 bodies have been recovered and transferred to a morgue so far from the site of the crash. AFP PHOTO / KHALED DESOUKI (Photo credit should read KHALED DESOUKI/AFP/Getty Images)
An Egyptian ambulance waits at Kabret military air base by the Suez Canal on October 31, 2015, after victims of a Russian airliner that crashed in the Sinai Peninsula were brought to the base before being transported to a morgue. Egypt's government said 15 bodies have been recovered and transferred to a morgue so far from the site of the crash. AFP PHOTO / KHALED DESOUKI (Photo credit should read KHALED DESOUKI/AFP/Getty Images)
SUEZ, EGYPT - OCTOBER 31: Egyptian officials receives the corpses of 34 passengers, found at crash site of Russian Airliner, at Kabret Military Base in Suez, Egypt on October 31, 2015. A Russian Airbus-321 airliner with 224 people aboard crashed in Egypt's Sinai Peninsula on Saturday, according to the Egyptian Prime Minister's office. According to Egypts Civil Aviation Authority, the plane lost contact with air-traffic controllers shortly after taking off from the Egyptian Red Sea resort city of Sharm el-Sheikh en route to St Petersburg. (Photo by Alaa El Kassas/Anadolu Agency/Getty Images)
Egyptian ambulances carrying the corpses of Russian victims of a Russian passenger plane crash in the Sinai Peninsula, off load the bodies into a military aircraft at Kabret military air base by the Suez Canal on October 31, 2015. Egypt's government said 15 bodies have been recovered and transferred to a morgue so far from the site of the crash. AFP PHOTO / KHALED DESOUKI (Photo credit should read KHALED DESOUKI/AFP/Getty Images)
Egyptian police officers stand guard outside the Zeinhom Morgue in Cairo on October 31, 2015, as they wait for the victims of the Russian charter plane. A Russian plane carrying 224 people crashed in a mountainous part of Egypt's Sinai Peninsula, killing everyone on board, officials said. AFP PHOTO /MOHAMED EL-SHAHED (Photo credit should read MOHAMED EL-SHAHED/AFP/Getty Images)
Egyptian police officers stand guard, next to graffiti condemning police brutality, outside the Zeinhom Morgue in Cairo on October 31, 2015, as they wait for the victims of the Russian charter plane. A Russian plane carrying 224 people crashed in a mountainous part of Egypt's Sinai Peninsula, killing everyone on board, officials said. AFP PHOTO /MOHAMED EL-SHAHED (Photo credit should read MOHAMED EL-SHAHED/AFP/Getty Images)
Egyptian police officers stand guard outside the Zeinhom Morgue in Cairo on October 31, 2015, as they wait for the victims of the Russian charter plane. A Russian plane carrying 224 people crashed in a mountainous part of Egypt's Sinai Peninsula, killing everyone on board, officials said. AFP PHOTO /MOHAMED EL-SHAHED (Photo credit should read MOHAMED EL-SHAHED/AFP/Getty Images)
Egyptian police officers stand guard outside the Zeinhom Morgue in Cairo on October 31, 2015, as they wait for the victims of the Russian charter plane. A Russian plane carrying 224 people crashed in a mountainous part of Egypt's Sinai Peninsula, killing everyone on board, officials said. AFP PHOTO /MOHAMED EL-SHAHED (Photo credit should read MOHAMED EL-SHAHED/AFP/Getty Images)
Egyptian police officers stand guard outside the Zeinhom Morgue in Cairo on October 31, 2015, as they wait for the victims of the Russian charter plane. A Russian plane carrying 224 people crashed in a mountainous part of Egypt's Sinai Peninsula, killing everyone on board, officials said. AFP PHOTO /MOHAMED EL-SHAHED (Photo credit should read MOHAMED EL-SHAHED/AFP/Getty Images)
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Aviation analyst Paul Beaver said the heat picked up by the satellite "indicates that there was a catastrophic explosion or disintegration of the airplane," but doesn't reveal what caused it.

"It doesn't tell us if it was a bomb ... or if somebody had a fight in the airplane with a gun - there is a whole raft of things that could happen in this regard," he said.

He said it also could indicate a fuel tank or engine exploding, although "engines are designed so that if something malfunctions or breaks off it is contained within the engine."

Both U.S. officials spoke on condition of anonymity because they weren't authorized to discuss the information publicly.

Some aviation experts earlier suggested a bomb was the most likely cause of Saturday's crash, while some others pointed at a 2001 incident in which the jet damaged its tail during landing.

In Egypt, an international team of experts prepared to analyze the plane's flight data and cockpit voice recorders.

The joint investigation committee, which includes Egyptian and Russian experts as well as representatives from Ireland, where the plane was registered, will conclude its last field inspection at the crash site by the end of the day Tuesday and start working on the black boxes, said Egyptian Civil Aviation Minister Hossam Kamal.

Kamal says it "will take some time" to produce the final report and that the committee "has all the tools and experts to deal with the investigation."

Russian Transport Minister Maxim Sokolov said in televised remarks that Russian experts already had conducted a preliminary inspection of the two "black boxes" and had seen information from Egypt's flight control radars, but he wouldn't mention any further details.

The Metrojet flight was en route from Egypt's Red Sea resort of Sharm el-Sheikh to St. Petersburg when it crashed in the Sinai Peninsula after breaking up at high altitude, Russian aviation officials said. All of the victims, except for four Ukrainians and one Belarusian citizen, were Russian vacationers flying home.

Islamic State militants said shortly after the crash that they had "brought down" the Russian plane because of Moscow's recent military intervention in Syria against the extremist group. But the group did not provide any evidence to back up its claim, and militants in northern Sinai have not shot down any commercial airliners or fighter jets.

Egyptian President Abdel-Fattah el-Sissi insisted that the security situation in the Sinai Peninsula is under "full control" and that claims by the Islamic State group that it downed the plane were "propaganda" aimed at damaging the country's image.

In an interview broadcast Tuesday by the BBC, el-Sissi also reiterated his assertion that the cause of the crash may not be known for months and that, until then, there should be no speculation about it.

Alexei Smirnov of the Russian Emergency Situations Ministry said 140 bodies and more than 100 body parts were delivered to St. Petersburg on two government planes on Monday and Tuesday and that a third plane is expected to bring more remains later on Tuesday. Families on Tuesday identified the first 10 victims.

Mourners continued to come to St. Petersburg's Pulkovo airport to lay flowers, toys and other tributes to the dead. On the outskirts of town, tearful families of the victims left a crematorium where the identification procedures are taking place.

Alexander Agafonov, head of the Russian rescue mission in Egypt, said in a televised conference with other officials that searchers have not found a single additional body Tuesday after combing a 28 square-kilometer (10.8 square-mile) area. Emergency Situations Minister Vladimir Puchkov said the site "should be studied centimeter by centimeter."

"If you need to sift through the sand where the remains or pieces of the fuselage could be, do it," he said.

--

Associated Press writers Nataliya Vasilyeva and Vladimir Isachenkov in Moscow, Brian Rohan in Cairo, Jill Lawless in London, Lolita C. Baldor in Washington, and Ivan Sekretarev in St. Petersburg contributed to this report.

PHOTOS: Russia mourns the 224 plane crash victims

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Russia mourns victims of plane crash in Egypt
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US detects heat around doomed Russian jet before crash
A man looks at candles and flowers in Simferopol on November 1, 2015 in memory of the victims of a jetliner crash. Russia mourned its biggest ever air disaster after a passenger jet full of Russian tourists crashed in Egypt's Sinai, killing all 224 people on board. A Russian airliner that crashed in Egypt broke up 'in the air', an investigator said on November 1, as the bodies of many of the 224 people killed on board were flown home. AFP PHOTO / MAX VETROV (Photo credit should read MAX VETROV/AFP/Getty Images)
SAINT PETERSBURG, RUSSIA - NOVEMBER 1: People mourn the victims of Airbus A321 crash at the Palace Square on November 1, 2015 in St. Petersburg, Russia. A Russian Airbus-321 aircraft with 224 people aboard crashed in Egypt's Sinai Peninsula on October 31. According to Egypt's Civil Aviation Authority, the plane lost contact with air-traffic controllers shortly after taking off from the Egyptian Red Sea resort city of Sharm el-Sheikh en route to St. Petersburg. (Photo by Alexander Aksakov/Getty Images)
A woman reacts in central Saint Petersburg on November 1, 2015, as people gather to light candles in memory of the victims of a jetliner crash. Flags flew at half-mast in Russia on November 1 as the country mourned its worst air disaster after a jetliner full of Russian tourists crashed in Egypt, killing all 224 on board. AFP PHOTO / OLGA MALTSEVA (Photo credit should read OLGA MALTSEVA/AFP/Getty Images)
SAINT-PETERSBURG, RUSSIA - NOVEMBER 1: Russian people lay flowers, toys and light candles to memory of Russian plane accident in Egypt on October 31, at Dvortsovaya square in Saint-Petersburg, Russia on November 1, 2015. (Photo by Sergey Mihailicenko/Anadolu Agency/Getty Images)
Women look at candles and flowers in Simferopol on November 1, 2015 in memory of the victims of a jetliner crash. Russia mourned its biggest ever air disaster after a passenger jet full of Russian tourists crashed in Egypt's Sinai, killing all 224 people on board. A Russian airliner that crashed in Egypt broke up 'in the air', an investigator said on November 1, as the bodies of many of the 224 people killed on board were flown home. AFP PHOTO / MAX VETROV (Photo credit should read MAX VETROV/AFP/Getty Images)
SAINT PETERSBURG, RUSSIA - NOVEMBER 01: A woman holds a candle at a memorial for the victims of Airbus A321 crash at the Pulkovo Airport on November 1, 2015 in St. Petersburg, Russia. A Russian Airbus-321 aircraft with 224 people aboard crashed in Egypt's Sinai Peninsula on October 31. According to Egypts Civil Aviation Authority, the plane lost contact with air-traffic controllers shortly after taking off from the Egyptian Red Sea resort city of Sharm el-Sheikh en route to St. Petersburg. (Photo by Alexander Aksakov/Getty Images)
SAINT PETERSBURG, RUSSIA - NOVEMBER 01: A woman cries near a 'memorial' to the victims of the Airbus A321 crash at the Pulkovo Airport on November 1, 2015 in St. Petersburg, Russia. A Russian Airbus-321 aircraft with 224 people aboard crashed in Egypt's Sinai Peninsula on Saturday. According to Egypts Civil Aviation Authority, the plane lost contact with air-traffic controllers shortly after taking off from the Egyptian Red Sea resort city of Sharm el-Sheikh en route to St. Petersburg. (Photo by Alexander Aksakov/Getty Images)
SAINT PETERSBURG, RUSSIA - NOVEMBER 01: People mourn the victims of Airbus A321 crash at Pulkovo Airport on November 1, 2015 in St. Petersburg, Russia. A Russian Airbus-321 aircraft with 224 people aboard crashed in Egypt's Sinai Peninsula on Saturday. According to Egypts Civil Aviation Authority, the plane lost contact with air-traffic controllers shortly after taking off from the Egyptian Red Sea resort city of Sharm el-Sheikh en route to St. Petersburg. (Photo by Alexander Aksakov/Getty Images)
SAINT PETERSBURG, RUSSIA - NOVEMBER 01: Candles, toys and flowers are seen at the 'memorial' of the victims of the Airbus A321 crash at the Pulkovo Airport on November 1, 2015 in St. Petersburg, Russia. A Russian Airbus-321 aircraft with 224 people aboard crashed in Egypt's Sinai Peninsula on Saturday. According to Egypts Civil Aviation Authority, the plane lost contact with air-traffic controllers shortly after taking off from the Egyptian Red Sea resort city of Sharm el-Sheikh en route to St. Petersburg. (Photo by Alexander Aksakov/Getty Images)
SAINT PETERSBURG, RUSSIA - NOVEMBER 01: People mourn the victims of Airbus A321 crash at Pulkovo Airport on November 1, 2015 in St. Petersburg, Russia. A Russian Airbus-321 aircraft with 224 people aboard crashed in Egypt's Sinai Peninsula on Saturday. According to Egypts Civil Aviation Authority, the plane lost contact with air-traffic controllers shortly after taking off from the Egyptian Red Sea resort city of Sharm el-Sheikh en route to St. Petersburg. (Photo by Alexander Aksakov/Getty Images)
Relatives react at Pulkovo international airport outside Saint Petersburg after a Russian plane with 224 people on board crashed in a mountainous part of Egypt's Sinai Peninsula on October 31, 2015. Ambulances reached the site and began evacuating 'casualties,' officials and state media reported, without elaborating on their condition. The plane took off early in the morning from the southern Sinai resort of Sharm el-Sheikh bound for Saint Petersburg in Russia but communication was lost 23 minutes after departure, officials said. AFP PHOTO / OLGA MALTSEVA (Photo credit should read OLGA MALTSEVA/AFP/Getty Images)
Relatives react at Pulkovo international airport outside Saint Petersburg after a Russian plane with 224 people on board crashed in a mountainous part of Egypt's Sinai Peninsula on October 31, 2015. Ambulances reached the site and began evacuating 'casualties,' officials and state media reported, without elaborating on their condition. The plane took off early in the morning from the southern Sinai resort of Sharm el-Sheikh bound for Saint Petersburg in Russia but communication was lost 23 minutes after departure, officials said. AFP PHOTO / OLGA MALTSEVA (Photo credit should read OLGA MALTSEVA/AFP/Getty Images)
SAINT PETERSBURG, RUSSIA - OCTOBER 31: Relatives of passengers of Russian Airbus-321 aircraft react at Pulkovo international airport in Saint Petersburg, Russia on October 31, 2015. A Russian Airbus-321 aircraft with 224 people aboard crashed in Egypt's Sinai Peninsula on Saturday, according to the Egyptian Prime Minister's office. According to Egypts Civil Aviation Authority, the plane lost contact with air-traffic controllers shortly after taking off from the Egyptian Red Sea resort city of Sharm el-Sheikh en route to St Petersburg. (Photo by Sergey Mihailicenko/Anadolu Agency/Getty Images)
Relatives react at Pulkovo international airport outside Saint Petersburg after a Russian plane with 224 people on board crashed in a mountainous part of Egypt's Sinai Peninsula on October 31, 2015. Ambulances reached the site and began evacuating 'casualties,' officials and state media reported, without elaborating on their condition. The plane took off early in the morning from the southern Sinai resort of Sharm el-Sheikh bound for Saint Petersburg in Russia but communication was lost 23 minutes after departure, officials said. AFP PHOTO / OLGA MALTSEVA (Photo credit should read OLGA MALTSEVA/AFP/Getty Images)
A relative reacts at Pulkovo international airport outside St Petersburg after an Airbus A321 of Russian airline Kogalymavia with 224 people on board crashed in a mountainous part of Egypt's Sinai Peninsula on October 31, 2015. Egypt has recovered the black box of the Russian airliner that crashed on October 31 in the restive Sinai Peninsula, killing all 224 people on board, the prime minister's office said. The plane took off early in the morning from the southern Sinai resort of Sharm el-Sheikh bound for Saint Petersburg in Russia but communication was lost 23 minutes after departure. AFP PHOTO / OLGA MALTSEVA (Photo credit should read OLGA MALTSEVA/AFP/Getty Images)
A relative reacts at Pulkovo international airport outside Saint Petersburg after a Russian plane with 224 people on board crashed in a mountainous part of Egypt's Sinai Peninsula on October 31, 2015. Ambulances reached the site and began evacuating 'casualties,' officials and state media reported, without elaborating on their condition. The plane took off early in the morning from the southern Sinai resort of Sharm el-Sheikh bound for Saint Petersburg in Russia but communication was lost 23 minutes after departure, officials said. AFP PHOTO / OLGA MALTSEVA (Photo credit should read OLGA MALTSEVA/AFP/Getty Images)
SAINT PETERSBURG, RUSSIA - OCTOBER 31: A relative of passengers of Russian Airbus-321 aircraft reacts at Pulkovo international airport in Saint Petersburg, Russia on October 31, 2015. A Russian Airbus-321 aircraft with 224 people aboard crashed in Egypt's Sinai Peninsula on Saturday, according to the Egyptian Prime Minister's office. According to Egypts Civil Aviation Authority, the plane lost contact with air-traffic controllers shortly after taking off from the Egyptian Red Sea resort city of Sharm el-Sheikh en route to St Petersburg. (Photo by Sergey Mihailicenko/Anadolu Agency/Getty Images)
SAINT PETERSBURG, RUSSIA - OCTOBER 31: Relatives of passengers of Russian Airbus-321 aircraft react at Pulkovo international airport in Saint Petersburg, Russia on October 31, 2015. A Russian Airbus-321 aircraft with 224 people aboard crashed in Egypt's Sinai Peninsula on Saturday, according to the Egyptian Prime Minister's office. According to Egypts Civil Aviation Authority, the plane lost contact with air-traffic controllers shortly after taking off from the Egyptian Red Sea resort city of Sharm el-Sheikh en route to St Petersburg. (Photo by Sergey Mihailicenko/Anadolu Agency/Getty Images)
Relatives wait for information at Pulkovo international airport outside Saint Petersburg after a Russian plane with 224 people on board crashed in a mountainous part of Egypt's Sinai Peninsula on October 31, 2015. Ambulances reached the site and began evacuating 'casualties,' officials and state media reported, without elaborating on their condition. The plane took off early in the morning from the southern Sinai resort of Sharm el-Sheikh bound for Saint Petersburg in Russia but communication was lost 23 minutes after departure, officials said. AFP PHOTO / OLGA MALTSEVA (Photo credit should read OLGA MALTSEVA/AFP/Getty Images)
SAINT PETERSBURG, RUSSIA - OCTOBER 31: Relatives of passengers of Russian Airbus-321 aircraft react at Pulkovo international airport in Saint Petersburg, Russia on October 31, 2015. A Russian Airbus-321 aircraft with 224 people aboard crashed in Egypt's Sinai Peninsula on Saturday, according to the Egyptian Prime Minister's office. According to Egypts Civil Aviation Authority, the plane lost contact with air-traffic controllers shortly after taking off from the Egyptian Red Sea resort city of Sharm el-Sheikh en route to St Petersburg. (Photo by Sergey Mihailicenko/Anadolu Agency/Getty Images)
Relatives wait at the Pulkovo international airport outside St. Petersburg after a Russian plane with 224 people on board crashed in a mountainous part of Egypt's Sinai Peninsula on October 31, 2015. Ambulances reached the site and began evacuating 'casualties,' officials and state media reported, without elaborating on their condition. The plane took off early in the morning from the southern Sinai resort of Sharm el-Sheikh bound for Saint Petersburg in Russia but communication was lost 23 minutes after departure. AFP PHOTO / OLGA MALTSEVA (Photo credit should read OLGA MALTSEVA/AFP/Getty Images)
SAINT PETERSBURG, RUSSIA - OCTOBER 31: Relatives of passengers of Russian Airbus-321 aircraft react at Pulkovo international airport in Saint Petersburg, Russia on October 31, 2015. A Russian Airbus-321 aircraft with 224 people aboard crashed in Egypt's Sinai Peninsula on Saturday, according to the Egyptian Prime Minister's office. According to Egypts Civil Aviation Authority, the plane lost contact with air-traffic controllers shortly after taking off from the Egyptian Red Sea resort city of Sharm el-Sheikh en route to St Petersburg. (Photo by Sergey Mihailicenko/Anadolu Agency/Getty Images)
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