Reuters: Four firefighters were injured on Saturday in a fast-moving wildfire in Northern California that forced the evacuation of thousands of people, officials said. The firefighters suffered second-degree burns as they battled the so-called Valley Fire, in Lake County, north of San Francisco, said Cal Fire spokesman Daniel Berlant. The Valley Fire broke out on Saturday afternoon and quickly spread to 10,000 acres (4,047 hectares), the California Department of Forestry and Fire Protection (Cal Fire) said...