Fire officials say the blaze is threatening power lines as well as the communities of Hasley Canyon and Hathaway Ranch.

The Canyon fire has scorched roughly 4,856 acres near Val Verde, straddling Los Angeles and Ventura counties, according to Watch Duty. In addition to the evacuation orders, officials also issued less-severe evacuation warnings for parts of the area.

A fast-moving wildfire in Southern California expanded aggressively from 50 acres to 4,856 acres by Thursday night, forcing evacuations near Lake Piru as firefighting crew launched an aggressive air and ground response,