A security personnel was killed in a landmine blast in Mohmand on Monday.
The security sources confirmed that a soldier had been martyred in the landmine blast.
Meanwhile, scores of families have started fleeing North Waziristan tribal region amid fear of a military action.
Curfew has been imposed in the region for five days and around hundred families have fled to Afghanistan amid fear of a possible military action. Tribesmen protesting against imposition of curfew in the region blocked Bannu-Kohat road for traffic.