An Iraqi special forces soldier looks down the entrance of a tunnel used by ISIL fighters inside a restaurant in Bazwaya, east of Mosul, on October 27, 2016. Zohra Bensemra/Reuters
An Iraqi special forces soldier looks down the entrance of a tunnel used by ISIL fighters inside a restaurant in Bazwaya, east of Mosul, on October 27, 2016. Zohra Bensemra/Reuters

Up to 900 ISIL fighters killed in Mosul battle, US says