Dhaka, June 24 -- The Bangladesh Army has launched an operation against the United People's Democratic Front (UPDF) in the Chittagong Hill Tracts, where the group is primarily active.

The Inter-Services Public Relations Directorate (ISPR) said in a statement that the operation began early Tuesday in the remote hills of Rangamati district.

"An operation against the UPDF (main faction) began at 4am," the statement read, without offering further details.

The move comes amid longstanding tensions between rival groups in the region over political dominance and control.

The UPDF was formed in June 1998 in opposition to the 1997 peace accord signed between the then-Awami League government and the Parbatya Chattagram Jana Samhati Samiti (PCJS...