The workers were constructing a toilet at a school next to the temple in Faridpur’s Madhukhali Upazila
The incident occurred in the Harinathpur area of the Upazila around 9:30am on Saturday, Khagrachhari Sadar Police Station OC Tarek Muhammad Abdul Hannan said.
The deceased has been identified as Dilip Kumar Chakma aka Binoy, 42, a UPDF activist.
Dilip was sitting with a group of people in front of his home Saturday morning when an armed group shot him down, OC Tarek said.
UPDF district organiser Michael Chakma accused UPDF Democratic members of involvement with the murder.