ERBIL, IRAQ - AUGUST 6: Thousands of Yazidi and Christian people flee Hamdaniyah town of Mosul to Erbil after the latest wave of ISIL advances that began on Sunday has seen a number of towns near Iraq's second largest city Mosul fall to the militants on August 6, 2014. (Photo by Mustafa Kerim/Anadolu Agency/Getty Images)
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