Tam Lal Pariyar, 50, of the VDC died while being taken to Sandhikharka for treatment after he was critically injured in the incident. Pariyar was injured when two groups returning to their homes from a wedding feast in Hile of the district clashed with each other.
Local Maina Pariyar was also hurt in the incident.
Police have detained Bhobi Bahadur Pariyar, Juddha Bahadur Pariyar and Vishnu Bahadur Pariyar in connection with the incident.
Man thrashed to death in Itahari