Four policemen were injured in a bomb attack on a police van in Shehbazkhel area of Lakki Marwat on Tuesday, reported 24NewsHD TV channel.
According to police, as a result of the blast four policemen including an ASI received injuries and were shifted to a nearby hospital for treatment.
The bomb was planted in a motorcycle parked at Shehbazkhela Adda.
A heavy contingent of police has been dispatched to the scene.
Reporter: Abdul Qayum Wazir