Members of the police special forces are seen in front of the Air Force Academy in Istanbul, Turkey, July 18, 2016. REUTERS/Huseyin Aldemir

Members of the police special forces are seen in front of the Air Force Academy in Istanbul, Turkey, July 18, 2016. REUTERS/Huseyin Aldemir

Members of the police special forces are seen in front of the Air Force Academy in Istanbul, Turkey, July 18, 2016. REUTERS/Huseyin Aldemir

July 18, 2016 12:34 PM (UTC+8)