Iraqi militias vow to push Islamic State from Fallujah, site of tough U.S. battle

In this Tuesday, July 7, 2015, photo, Iraqi security forces and allied Shiite militiamen launch rockets against Islamic State extremist positions in Saqlawiyah near Fallujah, Iraq. (AP Photo) (Uncredited/AP)
BAGHDAD — Iraq’s powerful Shiite militias are vowing to drive Islamic State fighters out of Fallujah, setting off a panic in the city where U.S. Marines saw their bloodiest combat of the Iraq war.