Car bombings in and around the Iraqi capital, Baghdad, have killed at least 17 people and wounded dozens more, police say.
In one attack, a car packed with explosives exploded near an army checkpoint in the town of Mahmoudiya, south of the capital, killing five.
Shortly after, a car bomb was detonated in the northern Baghdad suburb of Taji, claiming seven lives, officials said.
Another bomb in a mostly Shia district in north Baghdad killed at least five.
A series of suicide attacks across Iraq last week left more than 40 people dead.
No-one has admitted carrying out the latest attacks but Sunni insurgents have been blamed for recent violence in Iraq.
Two soldiers were among those killed in Mahmoudiya, 30km (20 miles) south of Baghdad, officials said. At least 14 other people were wounded.
The attack in Taji also happened near an army checkpoint.
'Pools of blood'
Teacher Nasseer Rahman witnessed the blast from a minibus that was queuing to pass through the checkpoint.
"As soon as the blast struck, we got off the minibus and ran to the site of the explosion," he said.
"We saw several cars on fire and pools of blood, and everybody was screaming for help."
More than 20 people were reported to have been injured in Taji.
The third car bomb exploded in a crowded market in the Shula district of Baghdad, police and hospital sources said, killing five and wounding 15.
Relations between Iraq's Sunni community and Shia-dominated government have become increasingly strained.
Although sectarian violence has decreased in Iraq since the height of the insurgency in 2006 and 2007, attacks are still common.
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