Top photos: May 15

Gallery: Relatives of miners wait near a coal mine in Soma, western Turkey, Thursday, May 15, 2014. An explosion and fire at the coal mine in Soma, some 250 kilometers (155 miles) south of Istanbul, killed hundreds of workers, authorities said, in one of the worst mining disasters in Turkish history.

Gallery: A security guard stands next to confiscated ivory which will be destroyed at a chemical waste treatment center in Hong Kong Thursday, May 15, 2014. Hong Kong has started incinerating its nearly 30-ton stockpile of confiscated ivory to show it's serious about cracking down on an illegal wildlife trade that is devastating Africa's elephant population. Authorities on Thursday destroyed the first batch by burning a metric ton of elephant tusks in a rotary kiln. Destroying the stockpile, which is one of the world's biggest, is expected to take up to two years.

Gallery: A Palestinian man carries his daughter with the number 66 painted on her face, during a ceremony marking the 66th anniversary of what the Palestinians call the "Nakba," or �catastrophe� referring to their uprooting in the war over Israel's 1948 creation, in the West Bank city of Jenin, Thursday, May 15, 2014. According to U.N. figures, more than 700,000 Palestinians fled or were driven out in the 1948 Mideast war, many settling in the neighboring West Bank, Gaza, Jordan, Lebanon and Syria. Tens of thousands more were displaced in the 1967 war in which Israel captured the West Bank, Gaza and east Jerusalem, lands the Palestinians seek for a state.

Gallery: In this photo released by Red Bull Air Race, Nigel Lamb of Britain, left, flies in formation with Matt Hall of Australia, Yoshihide Muroya of Japan and Kirby Chambliss of the United States prior to the third stage of the Red Bull Air Race World Championship in front of the Petronas Towers in Kuala Lumpur, Malaysia on Thursday, May 15, 2014.

Gallery: Freya the pet cat of Britain's Chancellor of the Exchequer George Osborne is stroked as Foreign Ministers arrive to take part in the "Friends of Syria Meeting" at the Foreign Office in London, Thursday, May 15, 2014.

Gallery: Members of an honor guard rehearse before a welcome ceremony for Portuguese President Anibal Cavaco Silva held by Chinese President Xi Jinping outside the Great Hall of the People in Beijing, China, Thursday, May 15, 2014.

Gallery: Mario Huettenhofer, chief of the German company 3D Fab, presents his own face as 3d print during the international fairs FabCon 3.D and Rapid.Tech in Erfurt, Germany, Thursday, May 15, 2014. 130 exhibitors from all over the world present the entire world of 3D printing. The trade fairs are accompanied by specialist programs featuring 80 scientists, practitioners and trend analysts from ten countries, who will explain the latest findings, trends and applications for additive processes in industry and for 3D printing in the private sector to newcomers, experts and consumers alike.

Gallery: The remains of Fire Dept. of New York Ladder Company 3's truck are displayed at the National Sept. 11 Memorial Museum, Wednesday, May 14, 2014, in New York. The museum is a monument to how the Sept. 11 terror attacks shaped history, from its heart-wrenching artifacts to the underground space that houses them amid the remnants of the fallen twin towers' foundations. It also reflects the complexity of crafting a public understanding of the terrorist attacks and reconceiving ground zero.

Gallery: A police officer struggles as he walks along a flooded street in a suburb of Belgrade, Serbia, Thursday, May 15, 2014. Some hundreds of people have been evacuated from their homes as floods caused by heavy rains gripped the Balkans Thursday, overflowing roads, bridges and railways, closing down schools, and cutting off power supplies and phone lines.

Gallery: Bosnian man views the scene after a landslide caused by flooding in the village of Topcic polje near Zenica, 120 kms north of Sarajevo, Thursday May 15, 2014. Heavy rainfall caused the river Bosna to flood surrounding areas causing power cuts and road blockades in some suburban and rural areas.

Gallery: Fast food workers and supporters protest low wages outside a Krispy Kreme store, Thursday, May 15, 2014, in Atlanta. Calling for higher pay and the right to form a union without retaliation, fast-food chain workers in Atlanta protested Thursday as part of a wave of strikes and protests in 150 cities across the U.S. and 33 additional countries on six continents.

Gallery: A red fox sits in front of a Eurofighter Typhoon combat jet on the grounds of the 2014 ILA Berlin Air Show, in Selchow near Schoenefeld, Germany, Thursday, May 15, 2014. The International Aviation and Aerospace Exhibition ILA will take place from May 20 until May 25, 2014.