Multiple car bomb explosions and attacks by insurgents in the northern Iraqi city of Samarra killed at least 33 people Saturday and wounded dozens of others.
Four car bombs exploded near police and national guard centers and other government buildings in Samarra. Ten Iraqi police officers died in one blast triggered by a suicide driver who rammed his vehicle into a police station.
One of the bombs reportedly was aimed at an American military convoy trying to reach the scene of the first two blasts. U.S. military officials said they had no details about the incident.
In southern Iraq, a roadside bomb was detonated as a motorcade passed through the town of Kufa, slightly wounding an Iraqi security official.
Kufa and neighboring Najaf, strongholds of radical Shi'ite cleric Moqtada al-Sadr, were the scene of heavy fighting earlier this year.