Dhaka, May 2 -- A gang that allegedly carried out robberies for years by impersonating law-enforcing officers has been dismantled, with two key members, including the "ringleader", arrested by the RAB at Dhaka's Demra.

The arrested are Md Alamin, also known as "Mota Alamin", and Md Raihan.

The RAB said Alamin was first arrested on Thursday while preparing for a robbery at Demra's Mendipur.

Based on his information, Raihan was later arrested in the same locality.

During the operation, law enforcement recovered a foreign pistol, a magazine, four rounds of ammunition, a microbus, two fake number plates, six RAB jackets, two handcuffs, a walkie-talkie set, police-labelled stickers, a laser light, police buttons, a WiFi pocket router, an a...