Update @ 6:08 p.m.: According to a Riverside County Fire Department, the fire has grown to 1,800 acres and is 5 percent contained. Update @ 5:48 p.m.: Fire officials report that the first has grown to 250 acres and is zero percent contained. Forty-one engines are now on scene with first responders from Cal Fire/Riverside and San Diego, Los Angeles County Fire Department, Orange County Fire Authority, Riverside City Fire Department, Riverside County Fire Department, and Riverside County Fire Office Of Emergency Services.