The wildfire dubbed the Oak Fire has now spread over nearly 12,000 acres and destroyed 10 structures. California fire estimates the blaze burning near Yosemite National Park is 0% contained. Firefighters estimate 2,000 structures are being threatened by the massive blaze. Emergency personnel are working to safely evacuate residents as they try to protect buildings from the flames. 45 engines, four helicopters and 383 firefighters are on the scene in Mariposa County. California Sierra National forest forced evacuations road closures Source: CNN, KCRA More local videos here: https://bit.ly/2Pa0d1l Subscribe to NEXT: http://bit.ly/2eP1GwI Stay connected: 9NEWS Website: http://www.9news.com/ Facebook: https://www.facebook.com/ilike9news Twitter: https://twitter.com/9NEWS Instagram: https://www.instagram.com/9newsdenver/ Download the 9NEWS App: https://www.9news.com/appredirect/ Sign up for the 9NEWSLETTER: https://www.9news.com/email 9NEWS (KUSA) is located in Denver, Colorado.