More than 200 firefighters battled the blaze and by Friday afternoon had managed to contain 15% of it, officials said. Containment refers to what portion of a wildfire's perimeter has been surrounded by a natural or human-made control line.

An evacuation warning was issued in Riverside County after a vegetation fire broke out in Fontana Thursday afternoon. The Canyon Crest Fire was first reported at around 5:30 p.m. in the area of Canyon Crest Drive and Weeping Willow Lane,