Nicholas Sisk, 10, bows his head at a makeshift memorial outside a military recruiting center in Chattanooga, Tennessee, on Tuesday, July 21. Authorities say Mohammad Youssuf Abdulazeez, 24, opened fire on the recruiting station on July 16 before moving to a U.S. Navy facility seven miles away. At the Navy facility, Abdulazeez fatally wounded four U.S. Marines and a Navy sailor before being killed in police gunfire.
Mark Zaleski/AP
Republican presidential candidate Donald Trump makes a remark about former Texas Gov. Rick Perry during a campaign rally in Bluffton, South Carolina, on Tuesday, July 21. "He put glasses on so people will think he's smart," Trump said. The two presidential hopefuls have been sparring on social media this week.
Stephen B. Morton/AP
A beluga whale sprays water toward young visitors at Hakkeijima Sea Paradise, an amusement park in Yokohama, Japan, on Monday, July 20.
This image of Earth was taken by NASA's Deep Space Climate Observatory satellite on July 6, 2015. The satellite was 1 million miles from Earth at the time of the photo. NASA says it's the first time an image of the full, sunlit side of Earth has been captured since Apollo 17's iconic "Blue Marble" photo in 1972. See more photos of the Earth from afar
Jon Mitchell/UPPA/NASA/ZUMA Press
Delegates, some in traditional dress, attend the opening of a climate summit in Paris on Tuesday, July 21. French President Francois Hollande called for an ambitious accord ahead of a United Nations conference to address the threat of global warming.
Etienne Laurent/AP
People in Grazalema, Spain, avoid a bull during the Toro de Cuerda festival on Monday, July 20. During the festival, a long rope restrains bulls as they run through the village's streets.
Jon Nazca/Reuters/Landov
A wounded woman, left, holds the hand of another woman who is about to die just after an explosion rocked the Turkish city of Suruc on Monday, July 20. More than 30 people were killed and at least 100 others were wounded in what Turkish officials called a terrorist attack near the Syrian border.
Zeki Yavuzak/AP
Old fragments of a Quran are shown Wednesday, July 22, at the University of Birmingham in Birmingham, England. Radiocarbon analysis dates the parchment to the years between 568 and 645. This means it was created close to the time of the Prophet Mohammed, who is generally thought to have lived between the years 570 and 632.
Frank Augstein/AP
Lanitra Dean hugs Carlesha Harrison, a friend of Sandra Bland, during Bland's vigil Sunday, July 19, in Prairie View, Texas. Bland was arrested on July 10 for allegedly assaulting an officer during a routine traffic stop. On July 13, she was found dead in her jail cell. Police say the 28-year-old hanged herself with a plastic bag. Her family disputes that.
Jon Shapley/Houston Chronicle/AP
Participants from the World Santa Claus Congress enter the water at Bellevue Beach, north of Copenhagen, Denmark, on Tuesday, July 21.
Erik Refner/EPA/Landov
As white supremacists were protesting the removal of the Confederate flag from the South Carolina State House grounds, Public Safety Director Leroy Smith helped a man who was struggling from the heat on Saturday, July 18. The photo spread through social media after Rob Godfrey, deputy chief of staff to South Carolina Gov. Nikki Haley, tweeted the photo with the caption, "not an uncommon example of humanity in SC."
Rob Godfrey/AP
A water slide measuring 1,148 feet stretches through the center of Seoul, South Korea, on Sunday, July 19.
Kim Hong-Ji/Reuters/Landov
Children enjoy a ride at a park in Rawalpindi, Pakistan, on Tuesday, July 21.
Anjum Naveed/AP
Russian cosmonaut Oleg Kononenko interacts with his children Tuesday, July 21, at the Baikonur cosmodrome in Baikonur, Kazakhstan. Kononenko and his fellow crew members were in quarantine as they prepared for their trip to the International Space Station on Thursday, July 23.
Shamil Zhumatov/Reuters/Landov
Election officials count votes at a polling station in Bujumbura, Burundi, on Tuesday, July 21. President Pierre Nkurunziza is bidding for a third term in office, although critics say a third term is prohibited by the peace accord that ended the country's civil war in 2003.
Carl De Souza/AFP/Getty Images
Police officers in Linyi, China, register bundles of seized python skins on Friday, July 17.
Stringer/Reuters/Landov
Crystina Page Steinmetz helps a man tie on a bandana as their small group stands guard outside a military recruiting center in Colorado Springs, Colorado, on Wednesday, July 22. Gun-toting civilians have been showing up at military recruiting centers around the country, saying they plan to protect recruiters following last week's killing of four Marines and a sailor in Chattanooga, Tennessee.
Michael Ciaglo/The Gazette/AP
Belgium's King Philippe and Queen Mathilde watch a traditional military parade in Brussels with their children -- from left, Princess Eleonore, Prince Gabriel, Crown Princess Elisabeth and Prince Emmanuel -- on Tuesday, July 21. It was Belgium's National Day.
Francois Lenoir/Reuters/Landov
A plane drops water over a wildfire threatening holiday homes in the Greek village of Costa on Monday, July 20.
Yannis Behrakis/Reuters/Landov
Participants of a Latin dance competition prepare backstage in Tel Aviv, Israel, on Saturday, July 18.
Amir Cohen/Reuters/Landov
Men fish in front of ship remains at the Russian fleet base in Baltiysk on Sunday, July 19.
Maxim Shemetov/Reuters/Landov
Egyptian supporters of the Muslim Brotherhood carry the body of Hossam Al-Akabawi, a comrade who died during clashes with police following a march in Cairo on Friday, July 17. At least six people were killed in clashes between pro-Islamist protesters and Egyptian police, the health ministry said.
Belal Wagdy/AFP/Getty Images
On Friday, July 17, hundreds of people in Buenos Aires hold portraits of those who died in the 1994 bombing of the Argentine Israelite Mutual Association building. The deadliest terror attack in the country's history killed 85 people and injured 300.
Alejandro Pagni/AFP/Getty Images
Reporters are reflected in a window overlooking Tokyo as they work at the Toshiba headquarters following a news conference on Tuesday, July 21. Toshiba's chief executive and president resigned Tuesday over an accounting scandal that has rocked the company, which makes everything from consumer electronics to nuclear energy technology. Eight board members also resigned as part of a major management reshuffle.
Thomas Peter/Reuters/Landov
A family arrives for Eid al-Fitr prayers in Bucharest, Romania, on Friday, July 17. The Eid al-Fitr festival marks the end of Ramadan, the Islamic holy month.
Vadim Ghirda/AP
A man runs past the remains of a burning building in downtown Cairo on Monday, July 20. According to local reports, at least 17 fire engines were dispatched to the scene.
Osama Elsayed/Almasry Alyoum/EPA/Landov
Rapper 50 Cent exits a court in New York on Tuesday, July 21. The rapper said he filed for bankruptcy because he is facing some hefty lawsuits.
Brendan McDermid/Reuters/Landov
People carry an old man in a flooded village in Kawlin, Myanmar, on Tuesday, July 21.
Soe Zeya Tun/Reuters/Landov
People enjoy sunny weather on a small island in Lake Ammer, near Munich, Germany, on Tuesday, July 21.
Christof Stache/AFP/Getty Images
Javier Yanez looks out from his balcony in Havana, Cuba, where he hung the national flags of Cuba and the United States on Monday, July 20. The two countries have re-established diplomatic relations for the first time since 1961.
Ramon Espinosa/AP
U.S. President Barack Obama walks in front of his daughter Sasha, right, and two of her friends as they board Air Force One on Friday, July 17. They were traveling to New York to meet Sasha's sister, Malia, for some father-daughter bonding.
Kevin Lamarque/Reuters/Landov
People in Paris relax on an artificial beach set up on the banks of the Seine river on Tuesday, July 21.
Martin Bureau/AFP/Getty Images
Young Syrian refugees play with toy guns at a camp in Mafraq, Jordan, on Friday, July 17. They were celebrating the first day of Eid al-Fitr, the festival marking the end of Ramadan.
Muhammad Hamed/Reuters/Landov
A worker walks near a washed-out bridge near the town of Desert Center, California, on Monday, July 20. Traffic on Interstate 10 was blocked indefinitely when the bridge collapsed during a major storm.
Nick Ut/AP
Mourners in Nieuwegein, Netherlands, gather in front of a "hedge of compassion" -- made of thousands of stuffed animals -- prior to a ceremony Friday, July 17, for those who died in the crash of Malaysia Airlines Flight 17. Flight 17 was shot down over Ukraine last year, killing all 298 people aboard. Of the people who died, 193 were Dutch citizens.
Michael Kooren/AFP/Getty Images
People retrieve items from a store during a fire at a shopping complex in Mumbai, India, on Tuesday, July 21.
Danish Siddiqui/Reuters/Landov
Two children look out from an upper level of the reopened Westgate Shopping Mall on Saturday, July 18, nearly two years after a terrorist attack left at least 67 people dead there in Nairobi, Kenya.
Ben Curtis/AP
A homeless person in Bucharest, Romania, sleeps in front of New York City wallpaper on Tuesday, July 21. See last week in 40 photos