Three security personnel were killed in a roadside bomb blast in Warghara area of Tiarza tehsil in South Waziristan tribal region on Sunday.
Intelligence sources said the personnel were patrolling the area when an improvised explosive device placed by the road exploded. One soldier died on the spot and three others suffered critical injuries.
The injured were rushed to a field hospital in FR Jandullah where two of them died.
Mehsud Taliban claimed responsibility for the attack. The group’s spokesman, Azam Tariq Mehsud, said its members carried out the attack in which eight security personnel lost their lives.