Firefighters stopped the forward progress of a wildfire that broke out Thursday in the northwest corner of Riverside County. Cal Fire and the Riverside County Fire Department responded to a call of a fire near Van Buren Boulevard and Jurupa Road in Jurupa Valley around 2 p.m. The fire burned 40 acres and prompted evacuations in the area, according to Cal Fire. Multiple engine and hand crews from the county, Corona and Riverside fire departments, as well as Murrieta Fire & Rescue, were sent to the location and encountered flames moving at a moderate rate through heavy vegetation. The fire jumped Van Buren from west to east, approaching transient camps and houses along Pedley Road. With the help of two Cal Fire water-dropping helicopters, crews stopped the fire's forward rate of spread about 5 p.m.