SP Gaurab Sharma confirmed the TMC office at Maral in Raina area was gutted in a fire and said an inquiry has been launched.
The TMC candidate from Jamalpur assembly seat, under which Raina falls, Ujjwal Pramanik alleged CPI(M) supporters in the area set the party office on fire to create disturbances in the run up to the polls.
However, CPI(M) district secretariat member Uday Shankar Sarkar said TMC had many factions in the area who were fighting each other and it was a case of sabotage by one faction.