The Hughes, Sepulveda and Laguna fires are among the latest blazes for Southern California during a fourth consecutive day of red flag fire weather warnings.

Roughly 31,000 people were ordered to flee an area north of Los Angeles on Wednesday after a fast-moving wildfire exploded, growing to more than 10,000 acres within hours, officials said.

Powerful winds and bone-dry conditions could pose a challenge to firefighters battling new wildfires in southern California on Thursday, including a blaze that swelled over the past day and forced tens of thousands of evacuations north of Los Angeles.

Firefighters are battling to maintain the upper hand on a huge and rapidly-moving wildfire that swept through rugged mountains north of Los Angeles.

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

Footage from a U.C. San Diego camera captured the moment the rapidly growing Hughes Fire erupted near Castaic Lake.

More than 50,000 are under evacuation orders or warnings as a new wind-driven wildfire spreads in the mountains north of Los Angeles.

The fast-burning Hughes Fire prompted evacuations on Wednesday morning after it was reporting burning near Castaic Lake in Los Angeles County. (Source: KTTV)

Firefighters battled two new brush fires - the Hughes Fire near Castaic Lake and the Sepulveda Fire in Bel Air, along the 405 Freeway.

Tens of thousands of people were allowed to return to their homes as authorities relieved an evacuation order on Thursday, with firefighters, aided by water-dropping helicopters, finding some

Firefighters gained more ground Thursday on a fast-moving brushfire that erupted north of Los Angeles the day before and within hours exploded to thousands of acres amid high winds, officials said.