At least 10 people were killed and some 20 others were wounded in a suicide car bombing in the city of Kirkuk on Wednesday, a local police source said.

The attack took place at about 5:00 p.m. (1200 GMT) in central city of Kirkuk, some 250 km north of Baghdad, when a suicide bomber drove his explosive-laden car into a bus carrying policemen who are task of protecting oil installations, a local police source told Xinhua on condition of anonymity.

"The policemen were travelling home on the bus and were escorted by a police vehicles when the attack occurred," the source said.

Iraqi security forces sealed off the area and ambulances rushed to evacuate the victims to the city hospitals, he said.

(Xinhua News Agency April 16, 2009)