World in focus — best photos for September 15, 2015

BMW chief executive Harald Krueger collapses during the BMW presentation on the first press day of the Frankfurt Auto Show IAA in Frankfurt, Germany. The car show runs through Sept. 27. Jens Meyer / AP

Trayce Thompson, #28 of the Chicago White Sox, can’t catch a double hit by Brett Lawrie, #15 of the Oakland Athletics, during the ninth inning at US Cellular Field in Chicago, Illinois. David Banks /G etty Images / AFP

A migrant boy looks out a window as he sits on board a train to Serbia at a transit camp in Gevgelija, Macedonia, after entering the country by crossing the border with Greece. Two decades of frontier-free travel across Europe unraveled on Monday as countries re-established border controls in the face of an unprecedented influx of migrants, which broke the record for the most arrivals by land in a single day. Ognen Teofilovski / Reuters

People stand near by the Kurdistan Workers Party flag in the center of Diyarbakir. Following an explosion and gunfire late Saturday night in southeastern province of Diyarbakir, 15 neighbourhoods in the Sur district have been placed under curfew. Clashes erupted following the curfew announcement Sunday morning, with seven police officers wounded, according to initial reports. Ilyas Akengin / AFP

South Korean soldiers parachute down during the 65th Incheon Landing Operations Commemoration ceremony in waters off Incheon, South Korea. Incheon is the coastal city where the United Nations Forces led by U.S. General Douglas MacArthur landed in September, 1950 just months after North Korea invaded the South. Lee Jin-man / AP

Palestinian paramedics carry a woman after Israeli security forces fired tear gas and pepper spray in a street of the Muslim quarter in Jerusalem’s Old City during scuffles with Israeli riot police. Palestinians and Israeli police clashed at Jerusalem’s flashpoint Al-Aqsa mosque compound for a third straight day as Jews celebrated their new year and protesters vowed to protect Islam’s third-holiest site. Ahmad Gharabli / AFP

Murky water fills a heart-shaped pool at Harbin Hot Springs resort after the Valley Fire whipped through Middleton, California. The Northern California wildfire ranked as the most destructive to hit the drought-stricken U.S. West this year has killed one woman and burned some 400 homes to the ground, fire officials said on Monday, and they expect the property toll to climb. Noah Berger / Reuters

A group of school children exercise on the plaza outside BC. Place stadium in Vancouver, British Columbia. Darryl Dyck / The Canadian Press via AP

A look at the best photos from around the world.