ANKARA, TURKEY - MARCH 14: Family members and relatives of car bombing victim Murat Gul mourn over a coffin during the funeral ceremony in a mosque on March 14, 2016 in Ankara, Turkey. Turkish President Recep Tayyip Erdogan vowed to defeat terrorism after 37 people were killed and 125 people injured when a car bomb exploded on March 13th in the busy square in Turkish capital of Ankara. Sources suggest the suspected bomber was a female member of the outlawed Kurdistan WorkersParty (PKK). (Photo by Gokhan Tan/Getty Images)