Tires burn as militia and children supporters of Iraqi Shi'ite cleric Moqtada al-Sadr try to set up roadblocks in Sadr city, a part of Baghdad May 9, 2004. Al-Sadr ordered his Mehdi Army on Mary 10, 2004 to launch a broad new offensive against U.S.-led occupying forces following a U.S. crackdown on his strongholds in Baghdad and across the south. U.S. bombs flattened his office in Baghdadl overnight. (UPI Photo/Mitch Prothero)