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 Labour mayor will seek a second term in City Hall.
More than half of the cases in 2017 were recorded in the UK, according to figures compiled by Europol.
Patients were warned not to be taken in by ‘irresponsible’ claims that a new nutritional supplement can combat Alzheimer’s disease.