Three security forces including an army lieutenant colonel were killed and a soldier was wounded in another car bomb in the town of Tuz Khurmatu, 175 kilometers north of Baghdad.
In the central province of Salahudin, a third second car bomb went off near a joint police and Iraqi army patrol, killing two soldiers and a policeman.
In Anbar province, a roadside bomb has hit a civilian vehicle and claimed the life of one person.
Also in Diyala Province, gunmen attacked a checkpoint and killed one person and wounded two others.
Iraq is experiencing a political crisis as the country’s vice president and his aides are accused of running a death squad.
Last week a wave of coordinated bombings and shootings across Iraq killed over 60 people.
Iraqi government has released new data showing nearly 70,000 people died in violence from 2004 to 2011.
The government said in a statement on Wednesday at least 239,133 people were wounded from April 5, 2004 to December 31, 2011.
—-Agencies