MUST WATCH

02:18

Mosul: Victory at what cost?

Updated 1633 GMT (0033 HKT) January 22, 2018

Chat with us in Facebook Messenger. Find out what's happening in the world as it unfolds.

Mosul, Iraq (CNN)Six months ago, US-backed Iraqi forces retook the city of Mosul from ISIS control. But the long battle obliterated the ancient city and claimed an untold number of civilian lives. Now its remaining residents are left to survive in the rubble.