Large parts of the UK were blanketed with snow as the country got its “first taste of winter”, which brought school closures, train delays, difficult driving conditions and an appeal to check in on vulnerable people. Met Office yellow severe weather alerts for snow and ice were in place across northern Scotland, the Midlands, northern England, north Wales and Northern Ireland. Snow also fell in areas not covered by the alerts, including central London. The cause is an Arctic maritime air mass, meteorologists said, which means that while the snow is expected to clear, it will be extremely cold all