Fire crews from Ventura and Los Angeles counties are battling a rapidly growing vegetation fire in Holser Canyon, near Lake Piru, in 100-degree heat. The blaze, called the Canyon Fire, is estimated to be at 1,

Multiple locations are under evacuation orders near Piru in Ventura County due to a fast-moving brush fire that has scorched more than 1,000 acres. The Canyon Fire is burning near Lake Piru, leading to mandatory evacuations in nearby communities and broader evacuation warnings in eastern Ventura County and parts of Los Angeles County.

The Canyon Fire was initially reported at about 30 acres but had rapidly grown to 1,050 acres in a few hours on Thursday, officials said.