New Delhi, Sept. 19 -- The coordinated assault was the latest in a surge of militant violence near the border with Afghanistan where Pakistani Taliban militants have increasingly targeted police and other security forces as the government intensifies operations against them.

The bombing occurred in Kohat, a district in Khyber Pakhtunkhwa. An attacker apparently rammed an explosives-laden vehicle into the mosque, said Zulfiqar Hameed, the provincial police chief.

At least seven armed gunmen also attempted to enter the police compound and exchanged fire with officers. Six of the gunmen were killed, according to police, who said one suicide bomber attacked the nearby office of an intelligence agency.

The police compound housed counter-ter...