The Oak Fire engulfs a home in Mariposa County, California. Multiple wildfires raged in the U.S. on Saturday, causing deaths, evacuations and damage to structures. A new wildfire that has burned at least 10 structures near Yosemite National Park prompted evacuations Friday. And authorities announced that two pilots of a firefighting helicopter had died after the aircraft crashed amid a blaze in Idaho. For more updates on the wildfires, click the link in our bio.