At least 50 people were injured during a clash between two groups at Jagannathpur municipality in Sunamganj on Wednesday.
Of the injured, 25 people suffered bullet wounds.
The incident took place at Ishakpur village of the municipality in the evening. Police arrested three persons in connection with the incident.
Sources said the clash erupted between followers of Badrul Islam of Ishakpur and UK expatriate Ustar Goni over formation of a committee of Ishakpur Public High School and land dispute.