Containment measures the percentage of a fire's perimeter that firefighters have under control. Parts of the fire's interior may still be burning.

The Hughes Fire has now burned 8,096 acres in Los Angeles and Ventura counties since igniting late Wednesday morning near Castaic Lake, according to Cal Fire. As more than 4,000 firefighters responded to the scene, an air tanker and four helicopters attacked the blaze from the air, preventing it from jumping nearby Interstate 5, officials said.

By Chris Kirkham, Judith Langowski and Peter Henderson LOS ANGELES (Reuters) - Seven years before wildfires tore through opposite ends of the Los Angeles area, the Tubbs Fire in Northern California's Sonoma County jumped a six-lane freeway and decimated Santa Rosa's Coffey Park subdivision,

The Palisades and Eaton fires, two of the deadliest and most destructive wildfires in California history, reached 100 percent containment more than three weeks after they began.