largest island, evia. the fires have been burning for a week after the most severe heatwave in 30 years. the greek prime minister said they were facing a natural disaster of unprecedented dimensions and it was obvious the climate crisis was now knocking on the door of the entire planet. more than 600 firefighters, some of them from the uk, are trying to control blazing forests which have destroyed homes and businesses. 0ur europe correspondent bethany bell reports from evia. fires rage on in evia. it's been a week and they're still not under control here. greece is experiencing its worst heatwave in decades. the searing temperatures and scorching winds mean these forests are like a tinderbox. the flames leave behind a ghostly landscape, white with ash. the fire swept through these hills, killing the trees, and this is what has been left behind — wreckage