Firefighters struggle with US wildfires
Huge fires in California reach Yosemite National Park and threaten San Francisco’s water and power supplies.
Published On 26 Aug 2013
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.