wildfires that it houses being evacuated from campsites in france, spending the night on beaches near st tropez kills more than 50 people. it is the country's worst disaster for more than a quarter of a century. when a flashlight rages through a major city, disaster strikes. flashlight rages through a major city, disasterstrikes. in august, flashlight rages through a major city, disaster strikes. in august, a massive downpour sends muddy water surging through the streets of sierra leone in west africa. and then a mountainside collapses in an avalanche of mud, burying whole communities as they slept. hundreds of people killed, thousands losing their homes. now, more snow, and your bbc weather watcher pictures of the wintry weather which swept across the uk in early december. the most widespread december snow since 2010. you can become a bbc weather watcher by signing up at the bbc website. still to come on weather world, we had to the alps to discover how sometimes, the old ways are still the best, especially when it comes to predicting an avalanche. this time on weather world, sarah andi this t