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 large brush fire that erupted near Interstate 5 in Castaic has burned more than 10,000 acres, causing several evacuation orders and warnings Wednesday morning

Evacuation orders and warnings were issued to more than 31,000 people in the vicinity of two new wildfires north of Los Angeles on Wednesday.