Forecasters issue amber severe weather warning for up to four inches of snow as temperatures plummet from 10C highs to -5C overnight

The Met Office has an amber 'be prepared' weather warning in place for snow in northern parts of England and Scotland for today and tomorrow. A cold weather front is to sweep across the UK with temperatures expected to plunge overnight into tomorrow by as much as 10C to below zero. And the Met Office has a 'level three' cold weather alert in place until midday on Sunday, warning of increased health risks to vulnerable people. Pictured: Snow on the A9 Drumochter Pass between Inverness and Perth in the Scottish Highlands (top left), tourists are caught in a hail storm on the River Cam in Cambridge (bottom left), a woman walks her dog in Stirling (centre), and the Met Office weather warnings map for today (right).