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 exploded Wednesday north of Castaic, spreading quickly and forcing additional evacuations in fire-weary Southern California. The Hughes fire started off of Lake Hughes Road just before 11 a.

The Hughes Fire in northern Los Angeles County near Santa Clarita has led to mandatory evacuation notices for I-5

The fire threat remains critical in Southern California, where thousands of residents were under evacuation orders Wednesday as fire crews battled the out-of-control Hughes Fire near Castaic, a suburb in the foothills and mountains of northern Los Angeles County.