A fast-burning brush fire erupted in California's Ventura County on Thursday afternoon and quickly spread to 1,500 acres. There was zero containment as of late afternoon and the fire later crossed into Los Angeles County,

An air quality alert was issued for parts of Southern California because of the effects of the Canyon Fire, fueled by dry brush and extremely high temperatures.

A brush fire in a mountainous area north of Los Angeles ignited and spread quickly Thursday, forcing thousands of evacuations.