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 Hughes Fire has spread to over 8,000 acres in Los Angeles County's Castaic area on Wednesday as dry vegetation and brutal Santa Ana winds continue to boost fire conditions across Southern California.

Firefighters responded to a brush fire Wednesday north of Los Angeles on a day of red flag warnings for parts of Southern California.