Suicide bombers in Iraq killed 17 people, including five Iraqi police commandos, in a series of attacks on Sunday.
Members of the elite police unit were traveling in a convoy in Baghdad, when a car bomb slammed into their vehicles, killing at least nine people.
South of the Iraqi capital, a bicycle bomb detonated in the town of Mussayib, killing six people and wounding nearly 20 others. A separate attack in nearby Hilla killed at least two people.
Earlier, U.S. and Iraqi forces clashed with militiamen loyal to Shi'ite cleric Moqtada al-Sadr in the Baghdad neighborhood of Sadr City. Officials said eight fighters died.
Also in Baghdad, gunmen robbed an armored car, killing two guards and escaping with 850-thousand dollars.