Insurgents targeted several checkpoints across the country. At least 26 were killed and 37 more were wounded, most of them security personnel, in those and other attacks.
In Mosul, a car bomb blast killed eight people and wounded 18 more at a military checkpoint. Gunmen killed four people, including a bodyguard working for a Kurdish councilman.
Gunmen killed three soldiers and wounded four more at a checkpoint near Baiji.
A bomb planted in a trashcan at a Rawa car park exploded, killing three people and wounding two others.
In the Thar Thar region, gunmen killed two soldiers and wounded two more.
Gunmen killed an official of the Reconciliation Commission in Baquba. Two bodyguards were also wounded.
A policeman was killed and two others were wounded in a blast in Kirkuk.
Gunmen attacked a checkpoint in Haditha where they killed a policeman and wounded two soldiers.
A bomb in Hit killed one civilian and wounded another.
In Baghdad, gunmen killed a security guard who works for parliament, as he headed to his home in Amil. A mosque servant was shot to death. A bomb wounded a national security officer.
A bomb in Garma wounded two policemen.
A sticky bomb wounded a civilian in Tikrit.