SANLIURFA, TURKEY - SEPTEMBER 18: Syrians fleeing from clashes between the Islamic State of Iraq and Levant (ISIL) militants and Democratic Union Party (PYD) forces in the Ar-Raqqah Governorate of Syria, wait at the Turkish-Syrian border to cross into Turkey on September 18, 2014 near Turkey's Sanliurfa province. (Photo by Halil Fidan/Anadolu Agency/Getty Images)
