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.

Firefighters continue to make progress in containing the massive Hughes Fire that broke out Wednesday near Castaic Lake, growing to more than 10,000 acres and forcing mass evacuations. Around 38,000 people remain under evacuation warnings even as containment has reached 36%.

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.