A masked Iraqi Shi'ite militiaman stands guard while worshippers perform Friday prayers outside the office of radical cleric Moqtada al-Sadr in the eastern Baghdad suburb of Al-Sadr city August 6, 2004. Militia loyal to al-Sadr battled U.S., British and Italian forces across central and southern Iraq overnight and into Friday, threatening to reignite a Shi'ite uprising. REUTERS/Ali Jasim HH/MD