A fast-moving wildfire exploded to roughly 10,200 acres near the Los Angeles County community of Castaic Wednesday morning, prompting mandatory evacuation orders and road closures, authorities said.

The Palisades and Eaton wildfires continue burning in the Los Angeles area, leaving parts of Southern California with devastating fire damage.

Coverage of when the Hughes fire exploded north of Castaic, the areas under evacuation orders and an extended red flag warning.

Original: A brush fire erupted in Castaic, sending smoke over the Santa Clarita Valley. Around 10:40 a.m. Wednesday, first responders received reports of a brush fire on Lake Hughes Road north of Castaic Lake, according to officials. The fire is currently at 50+ acres. Smoke from the fire is visible throughout Santa Clarita.

Thousands of firefighters have been battling wildfires across 45 square miles of densely populated Los Angeles County. The two largest fires, the Palisades Fire in Pacific Palisades and the Eaton Fire near Pasadena, remain active. One of the latest, the Hughes Fire in the Castaic area, has prompted evacuation orders for tens of thousands of people.

The Hughes Fire in Castaic area has burned more than 9,400 acres in just hours. While Los Angeles County Fire Chief Anthony Marrone called it a "difficult fire," he said that crews are "getting the upper hand on containing the blaze."

The Hughes Fire was first reported shortly after 10:30 a.m. along Lake Hughes Road, near Castaic Lake and the 5 Freeway, according to Cal Fire.

Santa Clarita, the area affected by the Hughes Fire, is a densely populated community predominantly comprising workers and middle-class families.

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 400 firefighters responded to the scene, an air tanker and four helicopters attacked the blaze from the air, preventing it from jumping Interstate 5, officials said.

As critical fire weather continues to strike in Southern California, crews are also tasked with preparing for a storm expected this weekend that could trigger mudslides in burn scar areas.

Exhausted firefighters battling deadly infernos for weeks are now grappling with more wildfires scorching Los Angeles County – including the Hughes Fire, which has burned through more than 10,000 acres since it began less than 48 hours ago.