A new weather warning for snow and ice has been issued by the Met Office as the country faces a Siberian blast. Brits are facing freezing temperatures and snow blizzards with multiple yellow weather warnings in place due to the sudden cold snap. The weather for the next seven days will be “markedly colder” with “harsh frost” expected later this week, said the Met Office , with a map showing the mercury down to -10C in Scotland on Wednesday. Meteorologist Alex Burkill said cold air is coming