Suspected Maoists torched a Communist Party of India (Marxist) party office and bombed a building housing a self-helf group in West Midnapore district, police said on Monday.

A group of suspected Maoists attacked a CPI (M) party office and set it ablaze at Dibibaksol under Jhargram police limit on Sunday night. Nobody was injured, police said.

The rebels also razed down a two-storeyed building by exploding a landmine at Khaerboni. A self-help group was operating from the building.