Iraqi officials said at least 16 people were killed and dozens wounded in bombings and shootings across the country.
In the deadliest attack, gunmen killed three policemen and four detainees traveling in a police convoy near the northern city of Baiji.
In Baghdad, at least five people were killed and over a dozen injured when a car bomb exploded in the eastern neighborhood of Sadr City.
Police said a bomb-laden motorcycle exploded in Baghdad's northern Waziriyah neighborhood, killing at least three civilians and wounding 12.
Officials said gunmen also attacked a police checkpoint in the nearby town of Tarmiyah, killing one and wounding three.
More than 610 people have been killed in attacks and clashes since the beginning of the month, according to AFP figures.
Based on reports by Reuters, AP, and AFP.