NEW : Car bomb kills 5 in Basra . Blasts occur in Shiite cities of Karbala and Najaf . The zone is a heavily fortified central Baghdad district housing the U.S. Embassy and Iraqi government offices . Many of the victims are Iranian pilgrims , an official said . Score: 6
NEW : Car bomb kills 5 in Basra . Blasts occur in Shiite cities of Karbala and Najaf . Many of the victims are Iranian pilgrims , an official said . Score: 6