Crude bombs being hurled during a BJP-Trinamool Congress clash at Sirsita village under Panrui police station of Birbhum district, West Bengal, on 15 November 2014. [Representational Image]IANS

Update: 10.46 a.m. IST: Three people were killed early Tuesday when a crude bomb accidentally went off in Bindapur village in Murshidabad, West Bengal. The bombs were being made in the building, which has now partially collapsed.

Two victims have been identified as Minar Sheikh and Bashir Sheikh, while the third victim has not been identified yet.

Over 100 bombs and raw material have been found at the site, reports the Hindustan Times

Trinamool Congress leaders Kashem Sheikh and Taher Sheikh were contending over turf in the area and had recently got into a fight, a source told HT. 

The Assembly elections were recently announced in the state. 

The Left party in the state recently wrote to the Election Commission pointing out that the police in the state plays a "partisian role" and "handicaps" the opposition. The memorandum also stated that there was "widespread violence" in Birbhum, Bardhaman and Murshidabad districts, reports the Indian Express. The memorandum was in response to West Bengal Chief Minister Mamata Banerjee's expression of displeasure at the six-phase election in the state. She said that there was no communal violence in West Bengal. 

Original Story: Three people were killed Tuesday after a crude bomb explosion near a police station in West Bengal's Murshidabad district. The incident is related to conflict between two factions of the Trinamool Congress party, reports said.

Two others were injured in the explosion that took place in the Bharatpur area of Murshidabad.

Three containers of explosives have been found at the site, reports NDTV.

The injured were rushed to a hospital, where they are recuperating.