The detainee Konentu Chakma, president of Hill Students Council which is supported by UPDF (Prosit) group, was detained along with a foreign-made pistol and Tk 4 lakh, said Assistant Sub-inspector Md Anwar of Kotwali Police Station.
Being tipped off that several members of UPDF set on a meeting over distribution of extortion money, a team of joint force conducted a drive in the area and detained Konentu Chakma, said Sub-inspector Md Anwar of Rangamati Kotwali Police Station.
But, his other associates managed to flee the scene, he added.
The team also recovered four mobile phone sets and a money receipt book of UPDF.
On May 3, Shaktiman Chakma, also a leader of Parbatya Chattagram Jana Sanghati Samity (MN Larma faction), was shot to death by unidentified miscreants in front of the upazila parishad complex.