A masked policeman uses a metal scanner to check the bodies of bomb blast victims before entering Imam Ali shrine, during a funeral in Najaf, 160 km (100 miles) south of Baghdad, February 4, 2007. Iraq's government on Sunday renewed its pledge to crack down on militants after a massive suicide truck bomb killed 135 people in a mainly Shi'ite area of Baghdad.
REUTERS/ALI ABU SHISH