Police sources told Reuters that at least 33 people were killed by a suicide bomber driving a car and gunmen disguised as police stormed a police headquarters in Kirkuk, northern Iraq.
Kirkuk, a religiously and ethnically mixed area of Arabs, Kurds and Turkman, is at the heart of a dispute over oil and land between Baghdad's central government and the autonomous Kurdistan enclave in the north.
The Sunday morning blast wounded at least 70 more people and police said there were still bodies trapped under the collapsed debris of buildings after the attack.
More top news
The parents of Sherwyn Sarabi, who has an IQ of more than 160, are proud of his pass mark but the young achiever was left unhappy.
Wailing and clinging to one another for comfort, two boys grieve after learning their brother was killed in a bomb attack in Syria.
The former wrestler has rocketed to the top of the Forbes list after a series of star turns but Hollywood's gender pay gap remains in place.