A hooded Mehdi Army fighter loyal to cleric Moqtada al-Sadr holds a recoilless rifle grenade launcher as he crosses a street to take up position in Basra, 550 km (340 miles) south of Baghdad, March 28, 2008. At least 120 "enemy" fighters have been killed in a four-day-old Iraqi military operation against Shi'ite militias in the southern oil hub of Basra, a senior Iraqi commander said on Friday. REUTERS/Atef Hassan (IRAQ)