Britons are bracing for heavy snow and ice over the weekend and into early next week as the Met Office has issued a series of weather warnings. Forecasters have warned that wintry conditions will sweep the UK until Friday, January 18. Two yellow weather warnings of snow and ice have been issued by the Met Office for Scotland and Northern Ireland. Scotland’s warning has been issued from midnight on Monday until 11.59pm later that evening and Northern Ireland’s warning starts at 3am and finishes at 11.59pm. The Met Office warns that some roads and railways could be affected with longer journey t…