Twenty people including four police were injured as heinous criminal Mosharraf Hossain alias Mosha along with his cadres let loose violence in Naura area of Rupganj under Narayanganj on Thursday.

Police arrested four members of Mosha group following explosion of cocktail and bank fire.

It is learnt that Mosha and his cadres prevented some landowners from doing cultivation work resulting in heated exchange. Then, cadres fired blank shots to spread panic in the area. When locals became united to resist, the criminals attacked them with sharp weapons and firearms.

At least 16 members of Mosha group either became bullet-hit or otherwise wounded, sources said.

Officer-in-Charge (Investigation) of Rupganj Police Station is among four cops to have received critical injuries in the incident.

Talking to journalists, OC of Rupganj Police Station AFM Syed said Mosharraf is a listed criminal and his cadres snatched him away attacking law enforcers.