MARTINEZ, Calif. -- The Contra Costa County Fire Protection Agency has stopped forward progress on a 30-acre vegetation fire burning near westbound state Highway 4 and Alhambra Avenue in Martinez.
The three-alarm blaze is comprised of multiple fires but forward progress was stopped at 8:30 p.m., according to fire officials.
California Highway Patrol officials, who first reported the fire at 7:13 p.m., said the highway is closed and traffic is being diverted to Franklin Canyon Road.
Lanes have been reopened but residual delays and traffic are becoming a problem. Fire officials have not yet determined the cause of the fire.
Stay with ABC7 News for the latest details on this developing story.
30-acre grass fire in Martinez forces brief closure of Hwy 4
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