Police said the suspect shot at homes and cars in the area of North Larwin Avenue and Cowell Road in Concord, as well in Clayton.
The 23-year-old co-worker was airlifted to a hospital, where he was listed in critical condition, police said.
Simon Chavez, 64, is being held on $31.5-million bail. His son, Simon Magana Chavez, 31, is held on $1.23-million bail.
The grass fire broke out near the 12000 block of Marsh Creek Road in the Clayton area.
The U.S. Marshals Service arrested Adam Renfroe in Pierre, South Dakota, Concord police said.
The pair are held on $100-million bail combined, which could be a record. A masked suspect is still sought in the armed robbery at Round 1.
The U.S. Marshals Service arrested the 28-year-old Oakland man who was also wanted by the Oakland Police Department, Concord police said.
Police are trying to identify and locate the pickup truck driver who left the scene.
Trio robs, assaults man; police evacuate residents from fire; man shot at waterpark; and other East Bay police, fire and court news.
"These are very high fire danger times and it's going to be worse between now and October."
Concord police said a shooting in the parking lot of Six Flags Hurricane Harbor left a man with multiple gunshot wounds.
Concord police said the two suspects are considered armed and dangerous. Police are asking anyone who knows their whereabouts to call 911.
Russian roulette shooting; capsized boater rescued; testimony heard in Ghost Ship trial; and other East Bay police, fire and court news.
Family saved from fire; Starbucks hit-and-run; brush fires battled; fireworks seized; and other East Bay police, fire and court news.
A man was found lying on the sidewalk of Pacheco Boulevard, covered in blood. Detectives do not believe it was a random incident.
The complex was surrounded and a SWAT team responded as a man reportedly threatened to kill his child and another minor, police said.
The fire started in a downstairs apartment and spread to an upstairs unit, according to Con Fire.
A 29-year-old Benicia man wanted in the Concord burglary — and for 13 warrants — was arrested after a police chase in San Rafael.
Building destroyed in fire; teacher indicted; DUI suspect crashes into restaurant; and other East Bay police, fire and court news.
A Concord police detective testified in court that a transient accused of killing a friend said "the victim turned into a demon."
The 34-year-old woman was taken into custody with the help of citizens who called 911 to update police on her location, officials said.
East Contra Costa Fire Protection District called in assistance from Cal Fire and Con Fire, and the blaze was contained.
Jurors in a coroner's inquest ruled a Concord man's death was attributed to natural causes.
Officer from Pleasant Hill killed; Caldecott Tunnel shooting; attempted bank robber sought; and other East Bay police, fire and court news.
Timothy Townsel lured his Jane Does from high schools and middle schools, according to a Contra Costa County prosecutor on the case.
A judge set bail at $125,000 and Ross Farca was released over the weekend.
Tipped off by the FBI, detectives served warrants at the 23-year-old's home and seized an AR-15 and Nazi literature, Concord police said.
Drone prevents airdrop during fire; lawsuit alleges jail guards conspire with gangs; and other East Bay police, fire and court news.
The 20-year-old accused of threatening girls and school staff took a plea deal involving two felonies for stalking and criminal threats.
A boy who appeared to be 2 or 3 years old was picked up by Antioch police Friday and taken to the police station.
A total of 13 vehicles were destroyed or damaged in the fire.
An Alabama man faces 23 years to life in prison in the 2017 death of 21-year-old Natalie Davies.
The Willow Fire broke out at about 10:45 a.m. Monday, sending smoke throughout the area and briefly threatening homes.
Officers responded after a woman called 911 and said her ex-boyfriend was "trying to kill her," police said.
Police responded to reports of a fight involving several patrons; when officers arrived, a large crowd was gathered outside the restaurant.
The blaze was "the largest fire of the season to date and an early indicator of what is to come with Red Flag conditions this weekend."
The injured teen was flown to a trauma center based on the severity of his injuries, police said.
Lifeguards found the boy at the bottom of the pool at Antioch Water Park, authorities said.
According to authorities, one dog was already dead and two more had to be euthanized. The survivors all required veterinary attention.
Concord arcade robbed; two charged with murder, terrorism; homeless encampment catches fire; and other East Bay police, fire and court news.