The blaze temporarily closed parts of Interstate 5 and prompted evacuation orders and warnings for more than 50,000 people.

A large brush fire that erupted near Interstate 5 in Castaic has burned more than 9,000 acres, causing several evacuation orders and warnings Wednesday morning.

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 new fire that broke out on Wednesday morning in northern Los Angeles County and rapidly grew throughout the day to set ablaze more than 10,000 acres, prompting authorities to issue evacuation orders and warnings to more than 50,