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caption:A flag of the autonomous Kurdistan region flies next to Iraqi Kurdish Peshmerga fighters standing on a tank as they hold a position on the front line in Khazer, near the Kurdish checkpoint of Aski kalak, 40 km West of Arbil, the capital of the autonomous Kurdish region of northern Iraq, on September 7, 2014. Kurdish forces in the north have been bolstered by American strikes and recently took control of Mount Zardak, a strategic site east of Mosul that provides a commanding view of the surrounding area, a senior officer said. AFP PHOTO / SAFIN HAMED (Photo credit should read SAFIN
caption:A flag of the autonomous Kurdistan region flies next to Iraqi Kurdish Peshmerga fighters standing on a tank as they hold a position on the front line in Khazer, near the Kurdish checkpoint of Aski kalak, 40 km West of Arbil, the capital of the autonomous Kurdish region of northern Iraq, on September 7, 2014. Kurdish forces in the north have been bolstered by American strikes and recently took control of Mount Zardak, a strategic site east of Mosul that provides a commanding view of the surrounding area, a senior officer said. AFP PHOTO / SAFIN HAMED (Photo credit should read SAFIN

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Kurdish forces battling ISIS

CNN's Anna Coren is on the front lines with Kurdish Peshmerga forces as they fight ISIS in Northern Iraq.

Kurdish forces battling ISIS

CNN's Anna Coren is on the front lines with Kurdish Peshmerga forces as they fight ISIS in Northern Iraq.