California governor declares state of emergency to battle fast moving fire

A firefighter battles a wildfire in Santa Paula, Ventura, the United States, on Dec. 5, 2017. Fast moving brush fire exploded to more than 10,000 acres (40 square km) Monday night in Ventura County in the western U.S. state of California, threatening homes in nearby cities and leading to the death of one person. (Xinhua/Zhao Hanrong)