something, our house still here. >> reporter: from the air, you can see the intensity as the wall of flames moves across the tree-lined mountains. crews on the scene digging control lines, setting controlled burns, hoping to stop the fire in its tracks by lighting brush and fuel in the blaze's path. to see conditions burning like they are right now is definitely concerning. and that's why it's so important that we get the public's help. prevent sparking a fire is what we need. one less spark this summer means one less wildfire. coming up i'll talk about world class surfer mick fanning about his encounter with a great white shark during a surfing competition. it played out on live television as millions watched. the whole story ahead. i have type 2 diabetes. i started with pills.