Three persons were killed when firing broke out between two groups over an old enmity in Mathura district this afternoon, police here said.
Rival groups clashed with each other in Dausherat village under Govardhan police station area and in the ensuing firing, two persons from one side and one from the other were killed, they said.
According to police, both the factions have been involved in a feud since the past 15 years.
