Members of the clergy conduct a mass at St. Joseph Chaldean Church in Baghdad, July 20, 2014. The head of Iraq's largest church said on Sunday that Islamic State militants who drove Christians out of ... more 
Members of the clergy conduct a mass at St. Joseph Chaldean Church in Baghdad, July 20, 2014. The head of Iraq's largest church said on Sunday 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. Chaldean Catholic Patriarch Louis Raphael Sako led a wave of condemnation for the Sunni Islamists who demanded Christians either convert, submit to their radical rule and pay a religious levy or face death by the sword. REUTERS/Ahmed Saad (IRAQ - Tags: CIVIL UNREST POLITICS RELIGION SOCIETY) less 
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Reuters | Photo By AHMED SAAD / REUTERS
Sun, Jul 20, 2014 5:07 PM EDT