Crews battle wildfires amid brutal heat wave in California

Firefighters struggled to contain three wildfires near Los Angeles on Saturday as forecasters warned that the risk of new fires was high with temperatures expected to spike and humidity levels to drop across California.In Northern California, the National Weather Service warned responders to beware of a rare fire tornado.A huge forest fire that prompted evacuations north of Los Angeles flared up around noon, sending up a cloud of smoke as it headed toward thick, dry brush in the Angeles National