TOPSHOTS Iraqi children play on the guideline of a tent set-up in a temporary camp, set up to house civilians fleeing violence, in Iraq's northern Nineveh province, in Aski kalak, 40 kms west of the Kurdish autonomous region's capital Arbil, on June 14, 2014. Shiite Iran offered to consider working with longtime foe the United States if it takes the lead in helping push back Sunni Arab militants, who have seized a swathe of northern Iraq. AFP PHOTO/KARIM SAHIB