In West Bengal, suspected Maoists torched a CPI(M) party office and bombed a building housing a self-help group in West Midnapore district last night. According to police, a group of suspected Maoists attacked the CPI(M) party office and set it ablaze at Dibibaksol under Jhargram police limit. Nobody was injured. The rebels also razed down a two-storeyed building by exploding a landmine at Khaerboni. A self-help group was operating from the building. Police said, a search is on to track down the Maoists.