TANK, Oct 28: Three security men suffered injuries in a roadside blast near Manzai area in Tank district early on Monday.

Official sources said that a mine clearing squad was leading a security forces convoy on Tank-Wana Road when it was targeted with an explosive device planted by unidentified persons along the roadside near Manzai area at 8:30am.

Three security men of the bomb disposal unit received critical injuries in the blast.

They were taken to the base camp hospital in Manzai from where they were referred to Dera Ismail Khan. The names of the injured soldiers could not be ascertained.

In Mohmand Agency, security forces defused on Monday an improvised explosive device planted by unidentified persons in Ambar tehsil.

Sources said the device was spotted by local people, who informed the authorities about it. The security personnel reached the area and defused the device safely.

Security forces also conducted a search operation in different areas after the incident, but there was no report of any arrest till filing of this report.

In Peshawar, police claimed to have foiled a sabotage attempt, seized explosive material and arrested four accused during a raid on a house in Badbher area on Monday.

According to Badbher SHO Abidur Rehman, the arrested persons, who belonged to tribal areas, kept the explosives to carry out sabotage act anywhere in the district.

The arrested persons were identified as Niaz, Sher Zaman, Haji Habib and Asif.

The explosives, he said, were packed in 42 plastic bags. A case against the accused was registered under Terrorism Act.