A family is evacuated to the area controled by Iraqi Federal Police near Mosul train station, Iraq, on March 21, 2017. Iraqi government forces battling Islamic State (IS) militants in Mosul's western side evacuated hundreds of civilians from Mosul's IS-held city center on Tuesday, as troop progress slowed down faced with strong resistance from IS militants, Iraqi officers said. (Xinhua/Khalil Dawood)