RETURN TO WARMilitants Seize Mosul, Iraq (PHOTOS)06.10.14RETURN TO WARMilitants Seize Mosul, Iraq (PHOTOS)Inside the battle for the city taken by an Al Qaeda offshoot group.06.10.14 4:03 PM ETSafin Hamed/AFP/Getty Iraqi families fleeing violence in the northern Nineveh province gather at a Kurdish checkpoint in Aski kalak, 40 kilometers West of Arbil, in the autonomous Kurdistan region, on June 10, 2014. Suspected jihadists seized Iraq's entire northern province of Nineveh and its capital Mosul, the country's second-largest city, in a major blow to authorities, who appear incapable of stopping militant advances. Safin Hamed/AFP/Getty Iraqis wait in their vehicles at a Kurdish checkpoint. Reuters Burning vehicles belonging to Iraqi security forces are seen during clashes between Iraqi security forces and al Qaeda-linked Islamic State in Iraq and the Levant (ISIL) in Mosul. Iraqi Military/AP In this Monday, June 9, 2014 image taken from video obtained from the Iraqi military, which has been authenticated based on its contents and other AP reporting, military soldiers prepare to take their positions during clashes with militants in Mosul. Insurgents on Tuesday pressed their efforts to seize effective control of Iraq’s second-largest city of Mosul on Tuesday after Iraqi security forces abandoned their posts and militants overran the provincial government headquarters and other key buildings, dealing a serious blow to Baghdad’s attempts to tame a widening insurgency in the country. Reuters Families arrive at a checkpoint in outskirts of Arbil. Azad Lashkari/Reuters An Iraqi-Kurdish security personnel conducts a search through belongings, as families fleeing the violence in Mosul wait at a checkpoint in the outskirts of Arbil. Safin Hamed/AFP/Getty An Iraqi Kurdish security guard frisks a man. Emrah Yorulmaz/Anadolu Agency, via Getty Thousand of people run away from Mosul to Arbil and Duhok due to the clashes between security forces and militants. Emrah Yorulmaz/Anadolu Agency, via Getty Thousand of people run away from Mosul to Arbil and Duhok. Reuters A member of Kurdish security forces stands guard as families fleeing violence in the Iraqi city of Mosul wait at a checkpoint in outskirts of Arbil.