The Hughes Fire has spread over 8,096 acres after starting just before lunchtime in Los Angeles County's Castaic Lake area on Wednesday.

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.

A fast-growing brush fire forced evacuation orders in the Los Angeles County community of Castaic on Wednesday, officials said. The blaze, which officials named 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.

Thousands of inmates at a Castaic jail complex were kept sheltered in place despite being within the evacuation zone of the 10,000-plus acre Hughes Fire that erupted Wednesday. The Hughes Fire was reported around 11 a.

Mandatory evacuation orders were issued Wednesday due to the Hughes Fire burning near Castaic Lake, north of Santa Clarita.

Firefighters on the ground and in the air rushed to slow a rapidly spreading brush fire that exploded near Castaic on Wednesday, forcing tens of thousands of evacuations and impacting traffic on the 5 Freeway.