According to political administration of the town, the security convoy was targeted near Tehsil Jamrud in wee hours of Friday where FC personnel were on routine patrolling when heavily-armed terrorists ambushed them.
In a shootout that continued for over two hours, at least five security personnel lost their lives while two vehicles of forces were also destroyed.
Sources said the attackers were around a dozen in numbers. It is learnt that some of the militants were also killed in the attack, however it could not be verified.
No terrorist group has so far claimed responsibility for the attack.