A case has been filed over the death of two Rohingya leaders by unidentified gunmen at Ukhiya camp in Cox's Bazar.
Deceased Abu Taleb's wife Tayoba Khatun, 30, lodged the case with Ukhiya Police Station at 1am on Thursday mentioning the name of five people.
Following the case, Armed Police Battalion (APBn) members arrested three FIR-listed accused at an early hours, the police station OC Sheikh Mohammad Ali confirmed.
Police suspect that the Rohingya leaders were killed over previous enmity.
Mohammad Shihab Kayser, commander of the 8 Armed Police Battalion, said several teams are working to nab the other culprits.
The arrested three are Shah Miah, 32, Md Soayeeb, 19, and Jafar Alam, 54.
Security has been beefed up in the camp, Shihab Kayser added.
Around 11:45pm on Saturday, Rohingya leaders Abu Taleb, the head majhi of the camp’s C-block and Syed Hossain, the majhi of sub-block C/9, were shot to death by unidentified gunmen on the hill slopes of C-9 Block of Camp 15 in Cox's Bazar's Ukhiya.