1 dead, 3 injured following shooting at Brentwood 24 Hour Fitness, police say; 2 suspects detained

BRENTWOOD, Calif. (KGO) -- One person is dead and three other people are injured in a shooting that happened after a fight broke out at a gym in the East Bay, police confirmed on Thursday.

The shooting happened at 24 Hour Fitness in Brentwood early Thursday morning.

"There was some type of altercation that took place inside of 24 Hour Fitness that carried out into the parking lot. Things escalated to at least two shooters and pulling out firearms and exchanging gunfire with one another," said Lt. Walter O' Grodnick from Brentwood police department.

The three victims are at area hospitals, but no word yet on their conditions.

RELATED: 1 killed, another injured in Muni bus shooting in SF's Sunnydale neighborhood, police say

The victim who was shot and killed has not been identified.

Police say this is an isolated incident.

Police say two suspects have been detained but no arrests have been made yet.

24 Hour Fitness released the following statement in response to the deadly shooting:

24 Hour Fitness is aware of the incident that took place in the overnight hours earlier today in front of our Brentwood club located at 5961 Lone Tree Way. According to law enforcement's preliminary investigation, an altercation took place within the Brentwood club, and escalated outside the club's front entrance where two shooters fired weapons that caused four individuals to suffer gunshot wounds. Three of those individuals were able to self-transport to a local emergency room for care. Despite life saving measures for one of the four gunshot victims, we are saddened that this individual passed away on site. No one involved in this incident has been publicly identified and it is also unknown as to whether they are club members. No arrests have been made however, law enforcement has indicated this to be an isolated incident with no threat to public safety. The club remains closed today and will reopen early Friday morning. The safety of our team members, club members and guests is a top priority for 24 Hour Fitness and we are continuing to work closely with local authorities. We are providing emotional support services to our team members during this time. As this is an active investigation, we are referring all questions to the Brentwood Police Department and Detective Greene: (925) 809-7797.

If you're on the ABC7 News app, click here to watch live