"The fire is growing with a moderate rate of spread and structures are threatened," Cal Fire said as it issued evacuation orders.

Two new fires ignited in San Diego County on Tuesday, as firefighters continue fighting blazes further north in Los Angeles.

Multiple brush fires erupted in San Diego’s North County early Tuesday morning, prompting a fast response from firefighters and mandatory evacuations.

The fires come as San Diego County mountains and valleys, along with other parts of Southern California, remain under a red flag warning.

The Hughes Fire has spread over 5,054 acres after starting just before lunchtime in Los Angeles County's Castaic Lake area on Wednesday.

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.

A new fast-moving wildfire has erupted in Los Angeles County, triggering evacuations in a region already reeling from the most destructive fires in its history. The Hughes fire ignited north of the city on Wednesday afternoon, near Castaic Lake in a mountainous area that borders several residential areas and schools.

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.

Scores of residents were urged to flee as fast-moving fires hurtled through bone-dry brush in Bonsall and Mission Valley Tuesday

A wind-driven wildfire charred dozens of acres in a sparsely developed area south of Pala Mesa on Wednesday, damaging structures and forcing pre-dawn evacuations before crews could gain the upper hand on the flames.

Share on Facebook Share on Twitter Multiple wildfires broke out in San Diego County (south of Los Angeles) early Tuesday, prompting evacuation orders, school closures and power shutoffs, while officia