Iraqi forces advanced towards Bab Sinjar in Old Mosul and besieged an Islamic State “headquarters” in the Zanjili neighborhood on June 1, the Iraqi Federal Police said.About a dozen civilians were injured by Islamic State mortar shells while fleeing from Zanjili, Reuters said, citing Iraqi officials.Zanjili is one of a few enclaves still under the control of Islamic State in west Mosul, along with the Old City and the Medical City hospitals complex.This video here shows Iraqi forces clashing with IS in what they said was “the final stage” of their operation to recapture Mosul.