A security officer works at the explosion site after a car bomb struck a bus carrying Turkish police officers in the mainly-Kurdish city of Diyarbakir, Turkey, Tuesday, May 10, 2016, wounding at least 12 people, the state-run news agency reported. The Anadolu Agency said the attack in Diyarbakir's troubled Baglar neighborhood was carried out by the outlawed Kurdistan Workers' Party, or PKK, as the bus was passing by. (AP Photo)