Separate bomb and gun attacks on Friday killed five Iraqi policemen and wounded 17 other people in Baghdad and Baquba, north of the capital, security officials said.
In Baghdad's western Mansur district, a roadside bomb killed two policemen, including a captain, an interior ministry official said. Eight people were also wounded, among them four policemen, he said.
"The explosion happened when the police went to check on an earlier explosion outside a liquor shop which had inflicted no casualties," the official said.
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Liquor stores are frequent targets of insurgents, attacked because they are usually owned by Christians, and because drinking alcohol is forbidden by Islam.
In the central city of Baquba, gunmen sprayed policemen guarding the compound of a Turkish company involved in a garbage collection project, killing three and wounding one, a security official said.
All the gunmen fled, leaving behind a vehicle that exploded shortly afterwards, wounding eight people, including a woman, the official said.
June was the deadliest month in Iraq so far this year, with 271 people killed in attacks including 155 civilians, 77 policemen and 39 soldiers, according to a government count.