Wildfires are burning out of control across Northern and Southern California today.The state's largest utility, Pacific Gas Electric, admitted that its electrical equipment could have sparked one of those fires in Sonoma County.But the official cause has yet to be determined. William Brangham has the latest.Once again, thousands of California firefighters are battling fast-moving blazes across the state.Driven by strong winds and dry conditions, the fires are forcing tens of thousands to evacuate their homes.Hundreds of schools were closed due to poor air quality and closed highways.The Kincade Fire, in Northern California's Sonoma County, doubled in size in less than 24 hours.It's already destroyed at least 49 structures and burned more than 21,000 acres. It's just 5 percent contained. We absolutely are up against the clock.The winds that are predicted over the next couple days are currently expected to be worse than what we had just the other night.Four hundred miles south, just north of Los Angeles, the Tick Fire has burned more than 4,000 acres and several subdivisions.Officials say another 10,000 structures are threatened. It too is just 5 percent contained.Two weeks ago, the California utility Pacific Gas Electric shut off power to hundreds of thousands of residents,trying to prevent high winds from knocking over power lines and sparking fires.Investigators believe that's what caused last year's deadly Camp Fire that killed 85.
