Police were called to a bar in El Cajon early Saturday morning after approximately 30 people got into a fight, officials said.
The group altercation happened around 1:30 a.m. at The Landing located at 1185 E. Main St.
According to police, the incident involved at least 30 people, including bikers. At one point, the fight spilled out into the street.
The El Cajon Police Department requested backup from other law enforcement agencies, including the San Diego Police Department and California Highway Patrol.
Police said at least two people were arrested at the scene in connection with the fight. It is unclear if anyone was seriously harmed in the incident or what sparked the rumble in the first place.