Acting on a tip-off, the police arrested two persons from Chandmari area last evening and based on their interrogation, another person was apprehended from Paltanbazar area here last night.
The arrested have been identified as Rajesh Terang alias Ranjit Terang, Longbi Kathar and Ranjan Terang.
The arrested had allegedly sent an extortion demand along with two bullets to the person and two of them had gone to collect it when they were apprehended.