VALLEJO (CBS SF) — Police in Vallejo are investigating a shooting that killed two and injured two others Saturday night.

Officers responded to a report of multiple people shot at a party in the first block of Linfield Drive at about 11:40 p.m., police said.

When officers arrived, they found four people suffering from gunshot wounds, according to police.

Two men were pronounced dead at the scene; another man was grazed in the head by a bullet but is expected to survive; and a juvenile boy was transported to a hospital to be treated for minor injuries, police said.

The suspect fled the area on foot after the shooting, police said.

He is described as a Latino man between 20 and 30 years old, between 5 feet 6 inches and 5 feet 8 inches tall, with a medium build, a goatee and a mustache, according to police. He was last seen wearing a black hoodie.

The names of the deceased men have not yet been released, police said.

Anyone with information about the shooting is asked to call Vallejo police at (800) 488-9383.

(Copyright 2013 by CBS San Francisco and Bay City News Service. All rights reserved. This material may not be published, broadcast, rewritten or redistributed)