A case was filed against 29 people, including nine named, on Friday night over the killing of former Jubo League leader Faridul Islam in Chittagong.
Victim's wife Monowara Begum filed the case with Chawk Bazar Police Station.
The named accused include Jubo League activists MA Musa, Rasel and Foisal. However, no one was arrested till yesterday afternoon, said police.
Faridul, 35, former organising secretary of Jubo League Chawk Bazar Thana unit, was shot dead and three pedestrians, including an 11-month-old boy, were injured during a clash between two groups of cable TV service providers over establishing supremacy on the cable TV business in the city's DC Road area on Friday.