Chaos reigns in Anbar province as Sunnis attack police stations ; one death reported . At least five people are killed and dozens injured in a car bomb attack in Mosul , police say . The fighting broke out as Iraqi security forces moved in to dismantle tents at two protest camps , just days after the arrest of a prominent Sunni lawmaker in a deadly raid on his Ramadi home . The United Nations says 2012 was the deadliest year for Iraqi civilians since 2008 . U.N. representative for Iraq urges Iraqi leaders to take steps to curb violence .
Chaos reigns in Anbar province as Sunnis attack police stations ; one death reported . At least five people are killed and dozens injured in a car bomb attack in Mosul , police say . The United Nations says 2012 was the deadliest year for Iraqi civilians since 2008 . U.N. representative for Iraq urges Iraqi leaders to take steps to curb violence .