SWABI, Oct 1: An official of Intelligence Bureau was shot dead by unidentified motorcyclists here on Saturday, police said.

An FIR was registered against unidentified assailants in Kalu Khan police station.

Two weeks ago, Javed Khan, an official of the special branch police, was attacked by unidentified motorcyclists in front of his house in tehsil Chota Lahor. He had suffered serious injuries but survived the attack.

In Khyber Agency, two Nato containers were partially damaged when suspected militants targeted them at two different locations on the main Peshawar-Torkham Highway on Saturday.

Officials said that first incident took place near Ali Masjid where unidentified miscreants targeted a Nato oil tanker with a rocket launcher which caused partial damage to the vehicle.

In the other incident occurred on the Jamrud bypass, a time device fitted with the oil tanker exploded with a big bang and caused leakage of thousands of litres of oil from the tanker.

In Jamrud, Khasadar Force seized huge quantity of explosive material at the Takhta Beg checkpost from a vehicle, coming from Shahkas area. The driver of the vehicle was also taken into custody.

In Bara tehsil, at least three stray mortar shells fell on a steal factory in Akkakhel area. The shells caused partial damage to the building of the factory. No body was, however, hurt in the attack. It could not be established as to who fired the mortar shells.

In Bajaur Agency, security forces arrested 50 suspected persons during a search operation in Mandal area of Salarzai tehsil on Saturday.

Official sources said that security forces launched search operation against suspected militants in different villages of Mandal area. Fifty suspected persons were arrested from different areas for their alleged involvement in attacks on checkposts. They were shifted to agency headquarters Khar for interrogation.

The security forces also seized huge cache of arms during the search operation. The volunteers of Mandal area also participated in the search operation.