20 Thousand Lives
20,000 children are trapped in Iraq's Fallujah, according to The U.N. children's fund.
The warning was made to Iraqi troops and Islamic State militants, who are involved in the battle for Fallujah, while tens of thousands are trapped in the middle of the fighting for control of this city west of Baghdad.
In totals, some 50,000 people are believed to be trapped inside the Sunni majority city, about 40 miles west of Baghdad.