Roughly 31,000 people were ordered to flee an area north of Los Angeles on Wednesday after a fast-moving wildfire exploded, growing to more than 10,000 acres within hours, officials said.

A fast-moving California fire has forced authorities to evacuate part of a 5,000-person jail in Los Angeles County. The Hughes Fire, which broke out Wednesday afternoon in Castaic, is 0 percent contained and has already burned nearly 9,300 acres, according to Cal Fire.