WASHINGTON, DC - APRIL 12: U.S. President Donald Trump holds a news conference with NATO Secretary General Jens Stoltenberg in the East Room of the White House April 12, 2017 in Washington, DC. Trump reaffirmed the United States' commitment to the North Atlantic alliance and its 'ironclad' pledge to defend NATO allies, even though he repeatedly questioned the relevance of the military organization during the campaign. (Photo by Chip Somodevilla/Getty Images)
TOPSHOT - A member of the joint Palestinian security takes position through a hole in a wall with a kalashnikov assault rifle in Ain al-Hilweh camp, Lebanon's largest Palestinian refugee camp, near the southern coastal city of Sidon, on April 12, 2017, after clashes that took place earlier in the week between an extremist group and the security force.
Fighting erupted on April 7, 2017 after Palestinian factions deployed throughout the camp as part of a joint security force aimed at combatting the influence of a local Islamic extremist group.
Ain al-Hilweh, which houses 61,000 Palestinians, is home to multiple armed factions and has been plagued by intermittent clashes among them as well as against smaller extremist groups. Lebanon's army does not enter Palestinian refugee camps, where security is managed by joint committees of Palestinian factions. / AFP PHOTO / STRINGER (Photo credit should read STRINGER/AFP/Getty Images)
TOPSHOT - An Indian man cools himself under a fountain near India Gate in New Delhi on April 11, 2017.
/ AFP PHOTO / DOMINIQUE FAGET (Photo credit should read DOMINIQUE FAGET/AFP/Getty Images)
People perform the fire dragon dance in Taijiang, Guizhou province, April 11, 2017. Picture taken April 11, 2017. China Daily/via REUTERS
TOPSHOT - Russia's Soyuz MS-02 space capsule carrying the International Space Station (ISS) crew of Russian cosmonauts Sergey Ryzhikov and Andrey Borisenko and US astronaut Shane Kimbrough lands in a remote area outside the town of Dzhezkazgan (Zhezkazgan), Kazakhstan, on April 10, 2017.
The Russian-US crew of Sergey Ryzhikov and Andrey Borisenko of the Russian space agency Roscosmos and NASA astronaut Shane Kimbrough touched down safely in central Kazakhstan on April 10 following a 173-day mission aboard the International Space Station (ISS).
/ AFP PHOTO / POOL / Kirill KUDRYAVTSEV (Photo credit should read KIRILL KUDRYAVTSEV/AFP/Getty Images)
The full moon named the Pink Moon rises over statues at city square in Skopje, Macedonia April 11, 2017. REUTERS/Ognen Teofilovski TPX IMAGES OF THE DAY
Director of Oval Office operations Keith Schiller (L), National Economic Council Director Gary Cohn (2ndL), White House Press Secretary Sean Spicer (C) and others listen during a joint press conference with NATO Secretary General Jens Stoltenberg and US President Donald Trump in the East Room of the White House April 12, 2017 in Washington, DC. NATO is the 'bulwark of international peace and security' but its European members 'must pay what they owe,' US President Donald Trump said on Wednesday alongside the political head of the military alliance. / AFP PHOTO / Brendan Smialowski (Photo credit should read BRENDAN SMIALOWSKI/AFP/Getty Images)
Simba the lion, one of two surviving animals in Mosul's zoo, along with Lola the bear, is seen at an enclosure in the shelter after arriving to an animal rehabilitation shelter in Jordan, April 11, 2017. Picture taken April 11, 2017. REUTERS/Muhammad Hamed TPX IMAGES OF THE DAY
SHOEBURYNESS, ENGLAND - APRIL 11: General view of the poppy sculpture 'Wave' at Barge Pier, Shoeburyness, Southend-on- Sea as part of a UK-wide tour organised by 14-18 NOW on April 11, 2017 in Shoeburyness, England. Wave is part of Blood Swept Lands and Seas of Red by artist Paul Cummins and designer Tom Piper. The full installation of 888,246 ceramic poppies, one to honour every death in the British and Colonial forces of the First World War, was on display at the Tower of London in 2014. (Photo by Ian Gavan/Getty Images for 14-18 NOW)
MOSUL, IRAQ - APRIL 12: A woman carries her niece who is suffering from an undiagnosed disease and cannot walk or talk, as she makes her way to a food distribution point as fighting continues against Islamic State in west Mosul, on April 12, 2017 in Mosul, Iraq. Despite being completely surrounded, Islamic State fighters are continuing to put up stiff resistance to Iraqi forces who are now having to engage I.S in house to house fighting as they continue their battle to retake Iraq's second largest city of Mosul. (Photo by Carl Court/Getty Images)
A student who was evacuated after a shooting at North Park Elementary School is embraced after groups of them were reunited with parents waiting at a high school in San Bernadino, California, U.S. April 10, 2017. REUTERS/Mario Anzuoni TPX IMAGES OF THE DAY
A man walks the the street decorated with flags as North Korea prepares to mark Saturday's 105th anniversary of the birth of Kim Il-sung, North Korea's founding father and grandfather of the current ruler, in central Pyongyang, North Korea April 12, 2017. REUTERS/Damir Sagolj TPX IMAGES OF THE DAY
Battle damage assessment image of Shayrat Airfield, Syria, is seen in this DigitalGlobe satellite image, released by the Pentagon following U.S. Tomahawk Land Attack Missile strikes from Arleigh Burke-class guided-missile destroyers, the USS Ross and USS Porter on April 7, 2017. DigitalGlobe/Courtesy U.S. Department of Defense/Handout via REUTERS ATTENTION EDITORS - THIS IMAGE WAS PROVIDED BY A THIRD PARTY. EDITORIAL USE ONLY. MANDATORY CREDIT. TPX IMAGES OF THE DAY
Demonstrators clash with riot police during a rally against Venezuela's President Nicolas Maduro's government in Caracas, Venezuela April 10, 2017. REUTERS/Carlos Garcia Rawlins TPX IMAGES OF THE DAY
LONDON, ENGLAND - APRIL 10: An officer carries the helmet of PC Keith Palmer out of Southwark Cathedral following his funeral service, on April 10, 2017 in London, United Kingdom. A Full Force funeral is held for PC Keith Palmer who was killed in a terrorist attack in Westminster whilst on duty on March 22, 2017. The funeral is attended by his family, including his wife and child, and officers from the Metropolitan Police who served alongside him. Officers from the wider service across England and Wales also attend to honour their fallen colleague. (Photo by Frank Augstein - WPA Pool /Getty Images)
A man who identified himself as a Syrian refugee speaks in favour of U.S. President Donald Trump's decision to launch attacks against Syrian targets, during a demonstration organised by the Stop the War Coalition in central London, Britain April 7, 2017. REUTERS/Hannah McKay TPX IMAGES OF THE DAY
A displaced Iraqi girl waits in a line of women to enter Hammam al-Alil camp, south of Mosul, Iraq, April 8, 2017. REUTERS/Andres Martinez Casares TPX IMAGES OF THE DAY
Britain's Queen Elizabeth watches as Prince Philip feeds an elephant during a visit to Whipsnade Zoo where the Queen opened the new Centre for Elephant Care, in Dunstable, Britain April 11, 2017. REUTERS/Hannah McKay
WASHINGTON, DC - APRIL 10: In this handout photo provided by the Supreme Court of the United States, Chief Justice John G. Roberts, Jr., administered the Constitutional Oath to the Honorable Neil M. Gorsuch as his wife Marie Louise Gorsuch holds the Bible in a private ceremony attended by the Justices of the Supreme Court and members of the Gorsuch family in the Justices Conference Room at the Supreme Court Building on April 10, 2017 in Washington, DC. Gorsuch is the 113th Supreme Court justice. (Photo by Franz Jantzen/Supreme Court of the United States via Getty Images)
Jewish worshippers are seen from above during the priestly blessing prayer on the holiday of Passover, at the Western Wall in Jerusalem's Old City April 13, 2017. REUTERS/Amir Cohen TPX IMAGES OF THE DAY
Revellers react at a foam party during Songkran Festival celebrations in Bangkok, Thailand April 13, 2017. REUTERS/Jorge Silva TPX IMAGES OF THE DAY
DARAA, SYRIA - APRIL 10: Smoke rises after the war crafts belonging to the Syrian Regime Forces bombed the Menshiyye neighborhood as Syrian military opposition advance towards the center of Daraa, Syria on April 10, 2017. The provincial center of Daraa is made up of two parts, Daraa Al-Mahatta (the new city) in the north and Daraa Al-Balad (the old city) in the south. While forces belonging to the Assad regime control the majority of Daraa Al-Mahatta, they only control the neighborhood of Menshiyye in Daraa Al-Balad. The military opposition, who control 45 percent of the center of Daraa province, began an operation two months ago against the regime's heavy air attacks. (Photo by Ammar Al Ali /Anadolu Agency/Getty Images)
Britain's Foreign Secretary Boris Johnson leaves at the end of a bilateral meeting during a G7 for foreign ministers in Lucca, Italy April 10, 2017. REUTERS/Max Rossi TPX IMAGES OF THE DAY
A woman takes a picture of cherry blossoms in full bloom in Tokyo, Japan, April 8, 2017. REUTERS/Toru Hanai TPX IMAGES OF THE DAY
Military trucks carry soldiers through central Pyongyang as country prepares to mark Saturday's 105th anniversary of the birth of Kim Il-sung, North Korea's founding father and grandfather of the current ruler, North Korea April 13, 2017. REUTERS/Damir Sagolj TPX IMAGES OF THE DAY
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This week in politics, Neil Gorsuch was sworn in as the 113th Supreme Court justice in American history while President Trump held a news conference to reaffirm the United States' commitment to NATO and NATO allies.
In California, a tragic shooting that killed one teacher and one student occurred at North Park Elementary School in San Bernardino.
Elsewhere in the world, fighting continued in both Syria as well as Iraq, where forces continue to retake the major city of Mosul from the Islamic State.
Worshippers around the globe also commemorated the holy holiday of Passover, while others prepared for Easter.
Click through the slideshow above to see photos from all of these stories and more, and be sure to check back next weekend for our selection of the best photography from the coming days.