Iraqi soldiers may have been hit by coalition friendly fire
By Hamdi Alkhshali, CNN
Updated 0203 GMT (1003 HKT) December 20, 2015
U.S. Secretary of Defense Ash Carter called Iraqi Prime Minister Haider al-Abadi to express his condolences after the Iraqi military said it suffered casualties from friendly fire during airstrikes on ISIS positions.
U.S. defense secretary makes condolence call to Iraqi prime minister
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Coalition will investigate claim of friendly fire casualties