A member of the Turkish-backed Free Syrian Army (FSA) patrols in the border town of Jarablus, Syria, August 31, 2016. REUTERS/Umit Bektas

A member of the Turkish-backed Free Syrian Army (FSA) patrols in the border town of Jarablus, Syria, August 31, 2016. REUTERS/Umit Bektas

A member of the Turkish-backed Free Syrian Army (FSA) patrols in the border town of Jarablus, Syria, August 31, 2016. REUTERS/Umit Bektas

September 1, 2016 7:02 AM (UTC+8)