A fire in an underground electrical vault in Pasadena Tuesday prompted evacuations and affected some traffic signals, but no injuries were reported.
Authorities Tuesday identified the 28-year-old contract worker who was killed in an underground electrical vault explosion in Huntington Beach.
Three men were injured in an electrical vault explosion in Orange County Wednesday.
A fire in an underground electrical vault sparked a manhole explosion Tuesday in La Puente, knocking out service to 3,200 Southern California Edison customers.
An underground electrical vault explosion has cut power to a downtown Los Angeles medical building.