Police say one person is dead and four critically injured after a shooting outside a nightclub near San Francisco's Fisherman's Wharf.
The shootings occurred at about 1:40 a.m. near Suede Nightclub, a multi-level venue located at 383 Bay St., police said.
One man was pronounced dead at the scene, and four other people were injured.
The San Francisco Medical Examiner's Office identified the person killed in the shooting as 19-year-old Lawon Hall, of nearby Richmond.
One of the people injured was a suspect in the original shooting, police said. That person might have been shot by a patrol special police officer, according to San Francisco police.
The suspect was later arrested.
Patrol specials are community police officers who are chartered separately from the San Francisco Police Department but operate under its supervision.
Sgt. Wilfred Williams says the shooting started when one person opened fire into a crowd of people during an altercation.
Williams says an armed security guard came upon the scene and fired his weapon, hitting the suspect.
The suspect, who has not been named by police, is in custody at San Francisco General Hospital.
A spokeswoman for San Francisco General Hospital says they are treating four male victims of the shooting. All are in critical condition. The hospital has not released any additional details.