Firefighters in the US state of California are struggling to contain a giant blaze that has reached Yosemite National Park.
The fire is threatening the water and power supplies to the city of San Francisco.
Al Jazeera's Melissa Chan reports.
Content on this website is for general information purposes only.
Your comments are provided by your own free will and you take sole responsibility for any direct or indirect
liability. You hereby provide us with an irrevocable, unlimited, and global license for no consideration to
use, reuse, delete or publish comments, in accordance with Community
Rules & Guidelines and Terms and