the fire '' `` The fire has been very active on all fronts , '' U.S. Forest Service spokeswoman Randi Jorgensen said . The fire threatened about 10,000 homes in Los Angeles County and 900 homes were evacuated , she said . Watch close-up views of the fast-moving fire '' `` Basically , all the homes that back up to the National Forest in the La Canada-Flintridge are in danger from the fire , '' Jorgensen said , adding that fire officials have told residents to be prepared for possible evacuation orders . The Station fire disrupted power to 750 homes . More than 750 workers have been dispatched to control the blaze , which started Wednesday afternoon . Watch iReport images and descriptions of the fire '' Jorgensen confirmed one injury involving heat exhaustion . A wildfire also hit San Bernardino National Forest , burning 2,200 acres , fire officials said . The blaze , called the Cottonwood fire , started Thursday afternoon about 10 miles from the southern California city of Hemet , officials reported . That blaze was about 10 percent contained Friday evening . Hemet is about 85 miles southeast of downtown Los Angeles . Firefighters
LOS ANGELES , California -LRB- CNN -RRB- -- Fires in central and southern California raged Saturday as triple-digit temperatures mixed with dry conditions continued to fuel the flames , torching thousands of acres and threatening scores of homes . Firefighters look on as fire rages near Ocean View Drive in Los Angeles on Saturday . Authorities confirmed three civilian injuries from a growing blaze known as the Station fire burning through the Angeles National Forest-La Canada Flintridge . The blaze nearly quadrupled in size from 5,500 acres Friday to more than 20,000 acres , officials said . The blaze , which grew to more than 20,100 acres , was 5 percent contained early Sunday , officials said . It was upgraded to type 1 brush fire -- the most severe classification . `` Today what happened is what I called a perfect storm of fuels , weather and topography coming together ... essentially the fire burned at will , '' Mike Dietrich of the U.S. Forest Service said Saturday . Authorities consider the Station fire an anomaly , as it is not driven by strong winds as most California wildfires . Watch CNN 's Reynolds Wolf explain what 's driving