A cold and dry spell is set to continue before temperatures plunge further at the weekend, bringing risks of wintry hazards to northern parts of the UK.The mercury dropped to minus 11.1C at Aviemore in Scotland overnight on Tuesday, which ranks as the ninth coldest night this winter so far, according to the Met Office.The forecasting body said a "more northerly wind" and "Arctic influence" is expected to descend over the UK on Sunday, dragging temperatures down.

A cold and dry spell is set to continue before temperatures plunge further at the weekend, bringing risks of wintry hazards to northern parts of the UK.The mercury dropped to minus 11.1C at Aviemore in Scotland overnight on Tuesday, which ranks as the ninth coldest night this winter so far, according to the Met Office.The forecasting body said a "more northerly wind" and "Arctic influence" is expected to descend over the UK on Sunday, dragging temperatures down.