Authorities are investigating a deadly two-vehicle crash that killed two people and injured two others late Friday night in rural Brentwood.
The crash occurred shortly before midnight on Deer Valley Road near Balfour Road in eastern Contra Costa County. According to the Contra Costa County Fire Protection District, firefighters responded to a collision involving four patients.
Two people were pronounced dead at the scene, while two others suffered injuries and are expected to survive. Authorities said some of the people involved were minors…