Two constables were seriously injured in a blast near FC convoy at Tank Hathala Road in Dera Ismail Khan, reported 24NewsHD TV channel on Saturday.
According to police sources, the incident took place during road swapping near the farmhouse of Chief Minister Khyber Pakhtunkhwa Amin Farmhouse.
Police said that a heavy police contingent reached the spot and cordon off the area and started search operation.
Reporter: Amir Shehzad