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Kurdish security forces take up a position as they fight overlooking the Islamic State-controlled in villages surrounding Mosul, in Khazer, about 30 kilometers (19 miles) east of Mosul, Iraq, Monday, Oct. 17, 2016. Iraqi government and Kurdish forces, backed by U.S.-led coalition air and ground support, launched coordinated military operations early on Monday as the long-awaited fight to wrest the northern city of Mosul from Islamic State fighters got underway.(AP Photo)
Kurdish security forces take up a position as they fight overlooking the Islamic State-controlled in villages surrounding Mosul, in Khazer, about 30 kilometers (19 miles) east of Mosul, Iraq, Monday, Oct. 17, 2016. Iraqi government and Kurdish forces, backed by U.S.-led coalition air and ground support, launched coordinated military operations early on Monday as the long-awaited fight to wrest the northern city of Mosul from Islamic State fighters got underway.(AP Photo)

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Dozens executed by ISIS as fight for Mosul escalates

ISIS executed dozens of Iraqi's celebrating their freedom after Iraqi troops liberated their villages. CNN's Arwa Damon reports from the front lines.

Dozens executed by ISIS as fight for Mosul escalates

ISIS executed dozens of Iraqi's celebrating their freedom after Iraqi troops liberated their villages. CNN's Arwa Damon reports from the front lines.