AdvertisementAs Assault On Mosul Looms, Resistance Grows — And ISIS Grows More Brutal03:42Download AudioResumeOctober 15, 2016Alice FordhamfacebookEmailPeshmerga forces stand guard in Nineveh, Iraq as U.S. artillery units bomb ISIS positions in the east of Mosul during an operation to retake Mosul from ISIS on Oct. 15, 2016. (Getty Images)