A member of Parbatya Chattogram Jana Samhati Samiti (MN Larma) was gunned down by assailants in Baghaichari upazila of Rangamati district on Friday morning.
The deceased was identified as Suresh Kanti Chakma alias Dinesh Chakma.
However, it was not immediately clear which group carried out the attack.
Officer-in-Charge (OC) of Baghaichari Police Station Anwar Hossain Khan said, "Police went to the spot after hearing the news of the murder."