Blazes in the Fernando Valley have burned down 2,500 acres and led to the evacuation of 10,000 residents. Now Mayor Antonio Villaraigosa is warning the the fires raging the suburb Sylmar could hit transmission lines that bring power to Los Angeles, threatening the city's power supply. "The fire is threatening the power of the city of Los Angeles," he said. "We may have to move to rolling blackouts." He added that the Santa Ana winds propelling the winds remain "absolutely atrocious" and "treacherous." Celebrities aren't immune, either. Actor Rob Lowe told Oprah Winfrey, his Montecito neighbor: "I was watching the football game with my son, and my wife called and said, 'Montecito's on fire—get out!'"