very grateful. 0ur north america correspondent david willis is in the altadena area and spoke to nicky shillerbout the evacuation order extending into the brentwood area. that's an area that includes the university of california and also the getty centre, which is home to thousands of priceless works of art. it's a very nerve—racking time, and this is also something that affects other, less populated but nonetheless quite quite busy areas encino, tarzana and so on. it's a very, very difficult time for the firefighters because they thought they were starting to get the edge on this. the biggest blaze, the pacific palisades fire, and it was just this twist in the wind last night, which caused the fire to grow a thousand acres in size overnight. that's the sort of challenge that firefighters are up against at the moment, because it is just down to the elements. ultimately, they're bombing these fires from the air or pouring water, gallons of water, flame retardant and so on. you've seen pictures of that, of course, and it's having an effect, but they can only do it when it's safe to get those air