Park Fire in Northern California explodes overnight: "Hell on Earth"

A wildfire that started Wednesday afternoon near Chico, California, north of Sacramento, grew quickly to 6,465 acres by late night then exploded overnight to 45,549 acres, Cal Fire said. The Park Fire was 3% contained.

Authorities in Butte County and neighboring Tehama County issued evacuation orders and warnings, CBS News Sacramento reports,  but there was no word on how many people were affected. Shelters were set up for people and for animals.

It wasn't clear how many, if any structures were damaged or destroyed and there were no reports of injuries or deaths.