Two members of Parbatya Chattagram Jana Sanghati Samity (PCJSS-MN Larma) were shot dead at Babupara of Baghaichhari upazila in Rangamati early Monday.
The victims were identified as Shatosiddhi Chakma, 38, general secretary of JSS-backed Jubo Samiti's central committee, and Eno Chakma, 35, general secretary of its upazila unit.
Jasi Chakma, a leader of the faction, said Shatosiddhi and Eno Chakma came under attack by a group of armed miscreants at the house of a local Ripon Chakma near a community centre in Babupara area at around 12:30am.
But the identities of the attackers and their motive could not be known yet.
Police recovered the bodies and sent them to Khagrachhari Sadar Hospital for autopsy, said AM Manjurul Alam, officer-in-charge of Baghaichhari Police Station.