The four teenagers, all students at Tustin High, were arrested Wednesday.
A fire Saturday morning caused an estimated $50,000 in damage to the old gym at Tustin High School.
Firefighters Sunday were aggressively battling a mulch fire in Silverado that damaged an outbuilding.
An independent investigation found Orange County Fire Authority managers did not retaliate against employees after complaints surfaced alleging thousands of businesses were charged for inspections that were not performed, the authority said Monday.
The Orange County Fire Authority has decided that two teens rescued from the mountains of Trabuco Canyon are liable for costs to bring them to safety.
The luck of the Irish has brought a group of firefighters from Dublin and New York to Huntington Beach for some California fun.
All 70 Orange County Fire Authority Engines are now equipped with oxygen masks to help save pets’ lives, thanks to a donation from the Emma Zen Foundation.