Firefighters from the city of Riverside and Riverside County Fire Department were battling a 48-acre brushfire Saturday in Riverside.
The fire was reported at 4:31 p.m. Saturday in the 20500 block of Hill Top Drive, according to county fire officials.
The spread of the flames was described as moderate and threatened multiple structures, county fire officials said.
At 6:40 p.m., the fire was 50% contained.
No injuries were reported.