New Delhi, June 25 -- The National Investigation Agency (NIA) has arrested a local leader and key accused in one of the cases related to the pre-poll Special Intensive Revision (SIR) related mob blockades, violence and detention of judicial officers that took place in West Bengal's Malda district in April.

Sayem Chowdhary, alias Babu Chowdhary, the local political leader from Mothbari (Malda), was taken into custody by an NIA team after he was questioned at the agency's branch office in Kolkata.

Chowdhary had contested in the recently concluded West Bengal assembly election as a Congress candidate from the Mothabari constituency in Malda district

In a statement, NIA said, "Sayem Chowdhary was a key accused involved in the illegal deten...