A fast-moving wildfire exploded to more than 9,200 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.

Fire crews are battling a swiftly growing blaze dubbed the Hughes Fire burning near Interstate 5 in Castaic, in the northern part of Los Angeles County.