JARABLUS, SYRIA - AUGUST 31: A member of the Turkish-backed Free Syrian Army (FSA) gestures as he patrols in the border town of Jarablus, August 31, 2016, Syria. Turkish troops and Turkey-backed rebels have been fighting Kurdish-led forces and IS since Turkey's incursion into Syria on Aug. 24. with the swift capture of Jarablus, a town a few km inside Syria that was held by Islamic State.(Photo by Defne Karadeniz/Getty Images)
