At 9:35 PM Friday night, the Orange Fire Department and surrounding agencies responded to reports of a brush fire near the Orange Hill Restaurant in the 6400 block of East Chapman Avenue. Crews arriving on scene found an approximately 1/2 acre brush fire to the rear of the restaurant with a rapid rate of spread. Firefighters established structure defense and had the blaze controlled within 30 minutes. The Orange Police Department assisted with traffic control. The cause of the fire is currently unknown.