Displaced Christians wait for humanitarian aid at a church in Hamdaniya town, east of Mosul, northwest of Baghdad, July 20, 2014. The head of Iraq’s largest church said on July 20, 2014 that Islamic State militants who drove Christians out of Mosul were worse than Mongol leader Genghis Khan and his grandson Hulagu who ransacked medieval Baghdad. Picture taken July 20, 2014. REUTERS/Stringer (IRAQ – Tags: RELIGION CIVIL UNREST POLITICS SOCIETY)