As crowds gather in the Shi'ite holy city of Najaf, officials arrive to investigate a deadly bombing.
The deadliest attack was in the southern Shiite city of Najaf, about 100 miles south of Baghdad, where a bomb ripped through a commercial area, killing six people, said Maj. Gen. Emad al-Taie.
Police said a car bomb killed six civilian and wounded more than 13 in a popular market.
The blast damaged shops and left debris scattered everywhere. It was not immediately clear who was behind the bombing, but Sunni Islamist insurgents have been regaining momentum in Iraq.
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