FALLUJAH, June 13, 2016 (Xinhua) -- A building that was destroyed in battles between the Iraqi army and Islamic State (IS) militants is seen in southern Shuhada district, south Fallujah city in Iraq's western Anbar province, on June 13, 2016. Iraqi security forces' battles to push into the IS stronghold in Fallujah continued on Monday in southern the city, a provincial security source said. (Xinhua/Khalil Dawood)