The blast took place at the Pichkudi Dhaal TMC office in Ausgram at around 6 PM, Superintendent of Police Kunal Agarwal confirmed.
"There was a explosion inside a building and we have send requisition to the CID bomb disposal squad to find out the exact cause of the blast. We are investigating the matter," he said.
The single-storeyed building is located in a sparsely- populated area, Agarwal said, adding that there was no confirmation whether anybody was injured in the explosion.
Earlier reports had claimed that three people suffered injuries in the blast.
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Meanwhile, the Trinamool Congress sources alleged that some miscreants hurled bombs at the party office at Pichkudi Dhaal in Ausgram.
On October 2, 2014, a blast had occurred in a house at Khagragarh in Burdwan town which claimed two lives. The National Investigation Agency (NIA) had later found that the two were Jamiat-ul-Mujahideen (JMB) operatives from Bangladesh.
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