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Police checkpoints appear to have been targeted in a string of car-bomb attacks across Iraq on Sunday that claimed at least 32 lives. In one of the attacks not far from Baghdad, three separate vehicles packed with explosives detonated, killing 11 people. No one has stepped forward to claim responsibility for the deadly attacks. A separate suicide bombing killed four policemen in the city of Kut, and a stationary car bomb in Baghdad killed two more people. Al Qaeda and Islamist groups have continued to kill in Iraq despite a decrease in violence over the last five years.