QUETTA: A police sub-inspector was killed in a blast inside a police station in Nothal area of district Naseerabad.

Six other police officials were injured in the blast.

"Explosive materials recovered from criminals abruptly exploded inside the police station," said police sources.

Police sources added the area of Nothal was rocked by the explosion.

The injured police officials were rushed to a nearby hospital for medical treatment.

Senior government and police officials reached the hospital to inquire about the condition of the injured police officials. An investigation was also ordered to probe into the blast.

Militants have conducted attacks against security forces and national installations in Balochistan, which has been plagued by an insurgency and growing sectarian killings for more than a decade.