BAGHDAD, IRAQ - APRIL 17: Thousands of Iraqis fleeing the Iraqi city of Ramadi seized by Daesh militants, arrive in Baghdad, Iraq on April 17, 2015. Thousands of Iraqis have started to migrate from Ramadi city, where the U.S.-led coalition has intensified its airstrikes against Daesh positions, to Baghdad, said a security official. (Photo by Ali Mohammed/Anadolu Agency/Getty Images)