three major wildfires in Southern California's Mountains east of Los Angeles torched dozens of homes and forced thousands of people to evacuate official said Wednesday at least a dozen people mainly firefighters were treated for injuries that were mostly heat related authorities said one person from Orange County was burned no deaths have been reported the wildfires have been endangering tens of thousands of homes and other structures across the region after they sprung to life during a trip- digigit heat wave over the weekend other major fires were burning in Idaho Oregon and Nevada where about 20,000 people had to flee a blaze outside Reno in the tight-knit community of rightwood that sits on the Pacific Crest Trail authorities implored residents to evacuate the exploding bridge fire which burned more than a dozen homes in the area resident Aon Arias said she was racing up the mountain when she got the sudden order to leave and did grabbing her passport and dog