A hazmat team with Contra Costa Health responded to the fire, the department said around 8:20 p.m.
The rider accused of doing wheelies in traffic and running stop signs was arrested on suspicion of felony evasion.
Martinez police are investigating an alleged home invasion that left the reported intruder dead early Saturday morning.
The chemicals may cause cancer, heart or lung problems.
6 people suffered minor injuries in the explosion and fire.
A woman escaped without injury after her vehicle became stuck at a railroad crossing in eastern Contra Costa County as a train approached.
The fire was extinguished within 17 minutes. Fire officials said the blaze is under investigation.
The fire broke out Thursday night.
A woman accused of injuring three people in a carjacking was arrested by police.
Crews will remain through the night to mop up hot spots, the Contra Costa Fire Protection District said.
The civil rights suit alleges the man suffered injuries that required surgery, hospitalization and physical therapy.
The crew from Station 14 will temporarily operate out of Station 12 during the project, which is expected to take 90 days.
Carlos Elizaldeortiz, 23, of Pittsburg was arrested on suspicion of evading police and being a felon in possession of a firearm and drugs.
Nearly $11,000 has been donated toward funeral expenses for the Bay Point man.
One person died in the crash on a wet, muddy road in an unincorporated area, the California Highway Patrol said.
The person on probation for theft-related crimes had gift cards, burglary tools and a device that can scan any magnetic strip, police said.
East Bay Hindu temple vandalized; several displaced by Christmas Day fires; officers hospitalized for likely fentanyl exposure.
The fire at a three-story Martinez building broke out at 8:44 a.m. on Christmas.
A grey Honda CR-V occupied by an adult driver and two children left the roadway and hit a tree in a suspected DUI incident, CHP said.
A collision involving a fatality closed three lanes of northbound Interstate 680 near Martinez, prompting a sig-alert.
A public health advisory was issued for Martinez, Pacheco, Concord and Clyde.
The victim was taken to the hospital with serious but non-threatening wounds, police said.
A 25-year-old Pittsburg man was arrested in connection with a Thursday, Nov. 2, freeway shooting that left one person wounded.
The Contra Costa County Sheriff's Office is accepting unwanted prescription medications Saturday at several locations.
The 21-year-old man and the 22-year-old woman are also accused of abusing a 10-month-old who was found suffering life-threatening injuries.
Officers determined the man was experiencing a mental health crisis, Martinez police said.
The California Highway Patrol responded to the fatal crash early Sunday morning.
The Contra Costa County DA's Office filed a nine-count felony complaint against Kyle Whitmore, 39, of Crockett.
CHP investigators said a Honda Pilot hit a Jeep Cherokee that was stopped along the center divide after being involved in a prior collision.
The fire spread to the center divide after witnesses initally saw flames and smoke on a hillside.
The unarmed man who police shot was identified as Tahmon Kenneth Wilson, 20, of San Francisco.
At least 10 Antioch and Pittsburg police officers were recently indicted by the U.S. Department of Justice
The vegetation fire had the potential to grow to 50 acres but crews battled it from the air and the ground and stopped its forward progress.
UPDATED: Martinez police Chief Andrew White gave more information Friday about the officer-involved shooting.
Breaking: "Today makes it clear no one is above the law...we will continue to hold accountable those who break the law."
The fatal collision happened on Pacheco Boulevard in unincorporated Martinez.
William Gogas, 34, was convicted of crimes including arranging to meet a minor for sex in Martinez.
A mother is attacked and robbed while getting her child out of a carseat; a highway shooting impacts traffic; armed shoplifters arrested.
Home and vegetation fires were quickly doused; spoofed calls are coming from a local police department; one man was killed in highway crash.
Contra Costa County will be included in the grant money.