A new wildfire that erupted in northern Los Angeles County triggered tens of thousands of evacuation orders and warnings.

Updating maps of Southern California show where wildfires, including the Palisades, Eaton and Hughes fires, are burning across Los Angeles.

The investigation is critical for not only understanding what happened, but for ensuring it never happens again, said an attorney for 300 Altadena residents.

The fire threat remains critical in Southern California, where thousands of residents were under evacuation orders Wednesday as fire crews battled the out-of-control Hughes Fire near Castaic, a suburb in the foothills and mountains of northern Los Angeles County.

Firefighters fought to maintain the upper hand on a huge and rapidly moving wildfire that swept through rugged mountains north of Los Angeles and resulted in more than 50,000 people being put under evacuation orders or warnings.

Flames erupted near the Bel-Air neighborhood just hours after another fire sparked and quickly spread in northern Los Angeles County.

Firefighters in Southern California conducted another fierce wildfire fight on Wednesday and into Thursday morning. Crews raced to contain the massive Hughes Fire in Los Angeles County while another blaze broke out near a busy freeway,

The state has unveiled its revamped fire relief website offering a one-stop shop to help those affected by the L.A. County fires.

A fast-moving California fire has forced authorities to evacuate part of a 5,000-person jail in Los Angeles County. The Hughes Fire, which broke out Wednesday afternoon in Castaic, is 0 percent contained and has already burned nearly 9,300 acres, according to Cal Fire.

Firefighters are responding to a brush fire in the Castaic area of Los Angeles County Wednesday morning, according to the Angeles National Forest.

Officials ordered evacuations in the area surrounding the Hughes Fire on Wednesday morning, located near Castaic Lake in Los Angeles County.