LANDI KOTAL: A blast at a hospital in Khyber tribal region's Jamrud area left a lady health worker (LHW) injured and damaged a room being used as a polio vaccination centre early on Tuesday.

The blast also caused damage to the room in the hospital which was being used as a polio vaccination centre.

Assistant political agent (APA) Jehangir Azam Wazir told Dawn.com that the bomb was planted in the bathroom of the hospital and that the watchman and Khasadar personnel posted on duty at the hospital were detained for investigations.

Wazir added that six khasadar personnel and four commanders as well as four personnel of the hospital staff were suspended for negligence over the incident.

Official sources told that the blast rocked the building which was being used as a polio centre. It was the second day of the anti-polio vaccination being conducted in the area.

A senior lady health visitor, who is also a polio worker, was injured in the incident.

No further loss was reported.

Meanwhile the Bomb disposal unit defused a bomb averting a a huge sabotage bid in Maryam Zai area of Mattani in the outskirts of Peshawar.

The AIG Bomb Disposal Unit Shahfqat Malik told that the road side Improvised Explosive Device (IED) defused by the unit weighed about 12 kilograms adding that the home-made device could have caused huge damage.