A botched grow-house burglary led suspects and authorities from three agencies on a chase after four vehicles and more than 10 suspects.
The Bay Area Air District fined Chevron $900,000 for failing to properly monitor air pollution emissions at its refinery in Richmond.
Antioch police officer who called his case "corrupt" and petitioned President Donald Trump and Attorney General Pam Bondi for help.
Murder charge filed against Martinez mother in the stabbing death of her daughter.
Three pest control companies settled a claim that they improperly disposed of hazardous waste at dozens of sites around California.
Authorities are searching for Isaiah Jamon Andrews, arrested on suspicion of homicide and released in Martinez by accident on Oct. 22.
Police arrest a man on suspicion of murder for a case investigators initially said involved an intruder.
The teen accidentally fell from a freeway on-ramp as a car sideshow was going on during the early hours of Sept. 13, authorities said.
Verdict brings "a measure of justice to those victims who had the courage to speak their truth," Contra Costa County DA says.
The shootings happened on Jan. 27, 2015, in the city's Bayview/Hunters Point neighborhood.
Both the woman and her ex-boyfriend, a Delta pilot, are charged in the 24-count, yearslong child sex abuse case, reports said.
The 54-year-old man died at the scene, police said.
On Sunday, the refinery reported flaring at its Martinez refinery at 12:24 p.m.
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.