Third major attack in weeks in disputed northern city.
Emad Matti/AP
Asuicide car bomber attacked police headquarters in the northern Iraqi city of Kirkuk Sunday, killing at least 33 people, according to policereports. Three additional gunmen who were disguised as officers then tried to storm the compound, but were shot dead by guards. The blast wasthe third major attack in weeks in or around the disputed multiethniccity at the heart of the conflict between Iraq’scentral government and the autonomous Kurdistan region.