At least 40 people have been killed and dozens more wounded in a day of bombings around the Iraqi capital, Baghdad.
Eleven people died when an explosion tore through a bus near Khalis, 80km (50 miles) north of Baghdad in Diyala province.
Several attacks targeted members of the Iraqi security forces and police patrols. Two police officers were shot dead.
A mini-van exploded near a street market in a Baghdad suburb, killing seven people.
Two car bomb attacks in Baghdad's Adhamiya district left at least 17 people dead. Many of the victims were said to be students from a nearby university.
Two journalists for US news network CBS were killed when a roadside bomb targeted a US army patrol. A US soldier and an Iraqi interpreter also died.
British soundman James Brolan, left, and cameraman Paul Douglas, right, died at the scene. Correspondent Kimberly Dozier, centre, was seriously injured.
The violence comes on a national holiday for the US, Memorial Day, which is dedicated to remembering America's war dead.
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