Police said he leak – which was on private property owned by aviation contractor Boeing – was caused by an unspecified construction accident.
The Huntington Beach City Hall was evacuated for a couple of hours Monday after an employee opened a suspicious package.
Dozens of passengers aboard a Metrolink train were evacuated Tuesday after a report of a possible reference to a bomb.
Eleven students were taken to area hospitals Wednesday after being sickened by an unknown odor in a classroom at a Garden Grove high school.
A Costco Wholesale store in Hawthorne was temporarily evacuated following a freon leak.
The reported threat comes just one day after a man called in a bomb threat at Washington Middle School down the street.
Police say an armed and dangerous parolee is barricaded inside a hotel room in Anaheim.
A brush fire that forced residents in eastern San Diego County to evacuate 150 homes grew to 800 acres on Monday.
Fire officials say a science experiment “gone awry” prompted the evacuation at East Valley High School in North Hollywood.
A balloon filled with flour prompted a school bus to be evacuated in Santa Clarita on Wednesday.
A residential neighborhood in Burbank was evacuated Thursday after reports of gun shots fired, according to police.
A woman escaped a fire that engulfed her West Hollywood apartment and authorities say they’re investigating it as arson.
Authorities Friday rescued 24 people from a ride at Disney’s California Adventure in Anaheim.
The show — which took place just off the 5 Freeway — was cut short and an estimated 300 people were ordered to evacuate.
LAPD SWAT officers evacuated residents of a Valley Glen apartment complex early Monday morning after an apparent shooting inside building.