It is the second day of the election season and someone set fire to a car carrying campaign posters. Voting takes place on April 30, and related violence is expected to increase before then.
In Falluja, shelling killed two people and wounded five others, including children.
A bomb killed a policeman and wounded three more in Hit.
One militant was killed near the Syrian border.
Gunmen killed two Sahwa members on a road in the eastern part of the province.