Progress On Yosemite News Today : Breaking News, Live Updates & Top Stories | Vimarsana

And potentially trap firefighters. >> we had up to 43,000, that creates its own weather. >> reporter: firefighters are also struggling to protect this huge reservoir which supplies 85% of san francisco's water and is being slowly polluted by falling ash. the challenges are enormous. the fire is being spread by what is known as crowning where the tops of trees torch, spreading faster than on the ground. >> you ever get worried any of the trees will come down while you are in there working? >> that's why we train the way we do. keep our heads up. >> reporter: more than 3,500 firefighters are in ...

>> yesterday the big story was miley cyrus. today the big story is the fallout from miley cyrus. >> yeah. fallout, man. yeah. >> everybody has something to say about that. >> jaw dropping. >> like a worldwide jaw drop wasn't it? >> everybody. yes. when you thought it couldn't get worse. the fuzzy -- >> the foam finger. >> the foam finger came out. >> today we got an explanation. all details coming up. >> miley-gate. miley-gate. >> i like that. very nice. let's get started. we begin this half hour with the gigantic wildfire burning out of control in california's yosemite national park. >> firef...

All of a sudden, a spot fire breaks out. it is like this for miles up and down the road. and then there is this, a fire team deployed to protect three dozen yosemite's sequoia trees some of the oldest living things on earth in need of protection now. neal karlinsky, abc news, yosemite national park. >> for a large portion of the middle of the country the problem is late summer heat wave. right now the scorching temperatures especially tough on kids back in school with no air conditioning in classrooms many of them. school districts in several sweltering states sent the kids home early yesterda...

>> announcer: from abc news, this is "world news now" with john muller and diana perez. >> yesterday the big story was miley cyrus. today the big story is the fallout from miley cyrus. >> yeah. fallout, man. yeah. >> everybody has something to say about that. >> jaw dropping. >> like a worldwide jaw drop wasn't it? >> everybody. yes. when you thought it couldn't get worse. the fuzzy -- >> the foam finger. >> the foam finger came out. >> today we got an explanation. all details coming up. >> miley-gate. miley-gate. >> i like that. very nice. let's get started. we begin this half hour with the g...

This morning on "world news now" -- california firestorm. the flames threatening thousands of homes and businesses, ancient trees and big city water supply. today's progress on yosemite's front lines. >> international firestorm. syria's alleged use of chemical weapons, the latest warnings about u.s. military action and the search for political solutions after a deadly attack. >> tennis scandal, the match up that made history decade ago, billie jean king/bobby riggs, the new secrets revealed that will change the way people think about the "battle of the sexes." >> scandal on stage, the miley cy...