Wind-whipped wildfires damaged at least 19 homes in Southern California on Monday as residents and schoolchildren fled from flames that scorched more than 170 acres of dry, brushy terrain.

In the Los Angeles suburb of Diamond Bar, a fast-moving brush fire spread to a residential area and damaged four homes, said Los Angeles County Fire Capt. Cliff Norton.Firefighters aided by helicopters contolled the blaze by 5 p.m., sheriff's Sgt. Sylvia Fort said.

In Riverside, 60 miles east of Los Angeles, a grade school was evacuated because of a fire in the dry Santa Ana River bottom outside the city.

At least 125 acres had burned and between 15 to 20 structures incurred minor damage, said City Fire Capt. Richard Ballinger.