GHALANAI, Dec 2: Two unidentified men were killed by their own bomb near a checkpost in Pandiali tehsil of Mohmand tribal region on Sunday morning, officials said.

They said that security forces found four legs and other parts of bodies at the blast site. They said that the bomb killed the two men when they were planting it near the checkpost.

The local authorities registered a case and started investigation.

In Charsadda, a constable was injured in a remote controlled bomb blast in Saro Kallay area on Sunday.

Officials said that the bomb was planted in a garbage dump along the road that exploded when a police party was present there. Constable Bakhtawar Shah was injured seriously in the blast. He was shifted to hospital.

Police launched a search operation in the area soon after the blast and started raids for arrest of the culprits.

In Khyber Agency, unidentified armed persons on Sunday kidnapped four relatives of the recently reinstated khasadars.

Officials said that gunmen abducted Madakhel, Habib, Zulfiqar and Noor Mat from different localities of Sipah area in Bara. They said that all the abducted men were relatives of the khasadars, who were reinstated recently by political administration after remaining suspendedfor three years.

The political administration on November 17 reinstated 600 khasadars, who had resigned en bloc only a week after the start of a military operation in Bara in September 2009. The khasadars tendered their resignations after they were issued death warnings by Bara-basedbanned organisation Lashkar-i-Islam.

The administration in return suspended all the 600 khasadars. A week ago, Lashkar-i-Islam again warned residents of the area against cooperating with the government-backed peace committees.

Meanwhile, unidentified gunmen shot dead a resident of Shalobar in Bara and injured two others.

Sources said that a group of armed men entered the house of Sher Qader on the night between Saturday and Sunday and opened indiscriminate firing on the inmates. They said that Sher Qader was killed on the spot while two of his guests including an Afghan national received injuries. Motive behind the attack could not be ascertained.

In Landi Kotal, elders and activists of political parties have criticised arrest of residents of Sheikhwal and Neekkhel by security forces during a search operation conducted in the areas after two roadside explosions on Friday.