KOLKATA: A blast occurred at TMC leader Buro Hansda's Birbhum residence in which his wife died.The blast occurred early morning on Sunday at around 2:30 am Birbhum’s Ilambazar area.Injured Buro Hansda has been admitted to Burdwan Medical College where his condition is stated to be stable.His wife Chunki Hansda died on the spot.Birbhum Superintendent of Police Mukhesh Kumar said the incident occurred at Buro Hansda 's (45) house at Bilati village around 3 AM.The SP said Hansda had complained to the police that some one had hurled a bomb at his residence in the early hours.The police is trying to ascertain the cause for the blast.