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A family fleeing the violence in the Iraqi city of Mosul, after insurgents believed to be part of the Islamic State of Iraq and Syria (ISIS) seized the city, waits at a checkpoint in outskirts of Arbil, in Iraq’s Kurdistan region, June 10, 2014. (Credit: Reuters/Stringer)

A family fleeing the violence in the Iraqi city of Mosul, after insurgents believed to be part of the Islamic State of Iraq and Syria (ISIS) seized the city, waits at a checkpoint in outskirts of Arbil, in Iraq's Kurdistan region, June 10, 2014. (Credit: Reuters/Stringer)