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KIRKUK, IRAQ - JUNE 25: Kurdish soldiers with the Peshmerga keep guard near the frontline with Sunni militants on the outskirts of Kirkuk, an oil-rich Iraqi city on June 25, 2014 in Kirkuk, Iraq.Tensions are high in Kirkuk after control of the historic Iraqi city was taken over by the Kurds following the abandonment of Army positions by the Iraqi Military.Tens of thousands of people have fled Iraq's second largest city of Mosul after it was overrun by ISIS (Islamic State of Iraq and Syria) militants. Many have been temporarily housed at various IDP (internally displaced persons) camps around the region including the area close to Erbil, as they hope to enter the safety of the nearby Kurdish region. (Photo by Spencer Platt/Getty Images)
KIRKUK, IRAQ - JUNE 25: Kurdish soldiers with the Peshmerga keep guard near the frontline with Sunni militants on the outskirts of Kirkuk, an oil-rich Iraqi city on June 25, 2014 in Kirkuk, Iraq.Tensions are high in Kirkuk after control of the historic Iraqi city was taken over by the Kurds following the abandonment of Army positions by the Iraqi Military.Tens of thousands of people have fled Iraq's second largest city of Mosul after it was overrun by ISIS (Islamic State of Iraq and Syria) militants. Many have been temporarily housed at various IDP (internally displaced persons) camps around the region including the area close to Erbil, as they hope to enter the safety of the nearby Kurdish region. (Photo by Spencer Platt/Getty Images)

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