ANKARA, TURKEY - MARCH 13: Emergency workers respond at the scene after an explosion in Ankara's central Kizilay district on March 13, 2016 in Ankara, Turkey. The Ankara governor's office has reported that at least 27 people have been killed and 75 wounded in an explosion in the Turkish capital Ankara. The explosion is believed to have been a car bomb attack according to Ankara governor Mehmet Kiliclar. (Photo by Defne Karadeniz/Getty Images)