Firefighters are working to extinguish a brush fire near Skyline Truck Trail in Jamul, according to Cal Fire . Early Friday evening, crews halted the forward progress of the blaze. Beaver FireThe blaze, dubbed the Beaver Fire, started around 2:40 p.m. near the 15300 block of Skyline Truck Trail, north of Lyons Valley Road. As of 5:40 p.m. Friday, the fire was 5% contained, according to CalFire. EvacuationsAn evacuation order has been issued and warnings are in effect, according to the San Diego County Sheriff’s Department .