Firefighters were working Saturday to put out a 10-acre grass fire in the community of Ordway, north of Moreno Valley.
The fire was reported about 5 p.m. Saturday at Live Oak Canyon and San Timoteo roads, according to the Riverside County Fire Department.
Resources were summoned to fight the flames from the ground and air, fire officials said.
The rate of spread was moderate, officials said. There were no injuries or immediate threats to structures.