An Iraqi forces member fires a 23 mm anti-aircraft gun as they advance towards the Old City of Mosul on June 19, 2017 during an ongoing offensive to retake the last district still held by the Islamic State (IS) group fighters.
Iraqi forces pushed deeper into Mosul's Old City after launching a final assault on the Islamic State group, warning civilians to stay inside and telling jihadists to “surrender or die”. (Photo by Ahmad Al-Rubaye/AFP Photo)
