The largest grove of giant sequoias in Yosemite National Park is still closed as firefighters battle a blaze that threatens the trees and has forced hundreds of campers to evacuate.
Fire crews are losing containment on the Washburn Fire burning in California's Yosemite National Park. Containment dropped from 22- to 17-percent this morning.
Firefighters are proactively working to protect the giant trees by deploying a ground sprinkler system and clearing any materials that could fuel the fire.