Gunfire on West Oakland street wounds teenager, 3 men

A police car blocks the street as Investigators with the Oakland Police Department gather evidence at the scene of a double homicide on the 1600 block of 72nd Avenue on Tuesday Oct. 2, 2012 in Oakland, Calif. Theses killings mark the fourth during a 24 hours period in Oakland. less A police car blocks the street as Investigators with the Oakland Police Department gather evidence at the scene of a double homicide on the 1600 block of 72nd Avenue on Tuesday Oct. 2, 2012 in Oakland, Calif. ... more Photo: Mike Kepka / The Chronicle 2012 Photo: Mike Kepka / The Chronicle 2012 Image 1 of / 1 Caption Close Gunfire on West Oakland street wounds teenager, 3 men 1 / 1 Back to Gallery

A barrage of gunfire in West Oakland left four people, including a teenager, wounded Wednesday night, and police were hunting for the shooter Thursday.

At 10:39 p.m., numerous people called Oakland police to report hearing multiple gunshots on the 1100 block of Mandela Parkway. When officers arrived, they found the four victims on the street, officials said.

The victims, males ranging in age from 17 to 34, were taken to a hospital, where they were in stable condition, police said.

Detectives were trying determine Thursday what prompted the shooting. It was unclear if the victims all knew each other, police said.

Bill Hutchinson is a San Francisco Chronicle staff writer. Email: bhutchinson@sfchronicle.com Twitter: @bill_hutchinson