People gather at the gate of the University of Mosul after it was liberated from extremist Islamic State (IS) group in eastern Mosul, Iraq, on Jan. 22, 2017. Iraqi security forces continued fierce clashes to drive out the militants of the extremist Islamic State (IS) group from their last strongholds in the northern outskirts of the city of Mosul. (Xinhua/Khalil Dawood)
