Authorities were responding Saturday to reports of a gas line explosion near the 5 Freeway in Castaic. LA County firefighters ...

Roads on the 5 Freeway have been shut down as authorities respond to reports of a gas line explosion in Castaic Saturday. Los ...

An explosion in Castaic resulted in a shelter-in-place order being issued for several neighborhoods on Saturday.

Alameda County firefighters on Thursday responded to an explosion and fire in an area densely populated with residential homes in a blast that destroyed homes, shut down a freeway and injured six ...

Federal and state officials have repeatedly investigated and fined the utility for gas-safety incidents in recent years.