Police say the deadliest of today's attacks took place in the town of Tarmiyah when three suicide bombers tried to attack a military headquarters, killing at least four soldiers and wounding 14 others.
The town is about 50 kilometers north of Baghdad.
They added that a bomb went off in an outdoor market in Baghdad's northern Shaab neighborhood, killing three civilians and wounding 11 others.
And two policemen were killed and five wounded when a bomb struck their patrol in Youssifiyah, 20 kilometers south of Baghdad.