Motorcycle crash sparked fast-moving fire in Cleveland National Forest

Inmate firefighters hike through a burned area to battle the Wildomar wildfire in the Cleveland National Forest on Thursday, October 26, 2017 in Wildomar, Calif. The fire started after a motorcycle crashed into a tree. (Patrick T. Fallon/ For The Los Angeles Times)  (Patrick T. Fallon / For The Times)

A firefighting helicopter battles the Wildomar wildfire in the Cleveland National Forest.

Firefighters battle the Wildomar wildfire in the Cleveland National Forest, that started after a motorcycle crashed into a tree.

A firefighting aircraft battles the Wildomar wildfire in the Cleveland National Forest.

The Wildomar fire burns in the Cleveland National Forest. Authorities ordered evacuations for residents along Hixon Truck Trail.

The Wildomar fire was moving in the direction of homes in the La Cresta and Lakeland Village neighborhoods.

About 500 firefighters including air and ground crews were battling the blaze.

The Wildomar fire burns in the Cleveland National Forest.

The blaze began after a motorcyclist crashed into a tree.

The Wildomar fire burns in the Cleveland National Forest.