Suicide bomber kills 10

A suicide bomber in Baghdad rammed his car into a bus carrying employees of Iraq's oil ministry as it passed a police academy, killing at least 10 people and wounding 30, police and witnesses said.

The attack came as violence between Iraq's three main communities spikes ahead of an October 15 referendum on a controversial new constitution.

"We heard the blast. They died," said a dazed survivor, who stood in a hospital as victims of the blast were wheeled in on stretchers.