Dhaka, Nov. 12 -- Police say underworld infighting has led to the murder of "top criminal" Tarik Saif Mamun in Old Dhaka after hitmen were hired for Tk 200,000 to carry out the killing.

Dhaka Metropolitan Police's Detective Branch (DB) chief Additional Commissioner Md Shafiqul Islam disclosed the information at a media briefing at the DMP Media Centre on Wednesday afternoon.

Five people have been arrested over the killing -- Md Faruk Hossain Faisal alias Kutta Faruk, 38, Robin Ahmed alias Piyas, 25, Md Rubel, 34, Shamim Ahmed, 22, and Md Yusuf alias Jibon, 42.

DB chief said Faruk and Robin were "directly involved" in the killing and fired the shots that killed Mamun.

He said another criminal, Roni, planned the killing following a disp...