Overview

• The fire ignited just after 7 p.m. Wednesday off Somersville Road and ballooned to over 200 acres within an hour.
• CAL FIRE, Contra Costa County Fire Protection District and Antioch Police have mobilized a two-alarm response to contain the blaze.
• Structure protection lines have been established around residential and commercial properties near Black Diamond Mines and Finch Drive.
• Residents in neighborhoods around Markley Creek, Osprey and Cambridge Avenue have been notified to prepare for possible evacuation.
• Officials have not yet determined the fire’s cause and are advising commuters to avoid routes past James Donlon Boulevard.