A Turkish army convoy drive from the border back to their base in Karkamis on the Turkish-Syrian border in the southeastern Gaziantep province, Turkey, August 27, 2016. REUTERS/Umit Bektas

A Turkish army convoy drive from the border back to their base in Karkamis on the Turkish-Syrian border in the southeastern Gaziantep province, Turkey, August 27, 2016. REUTERS/Umit Bektas

A Turkish army convoy drive from the border back to their base in Karkamis on the Turkish-Syrian border in the southeastern Gaziantep province, Turkey, August 27, 2016. REUTERS/Umit Bektas

August 27, 2016 11:33 PM (UTC+8)