It was just 72 hours ago that Boris Johnson was resisting pressure to cancel relaxations of restrictions over Christmas. He told a press conference cancelling the festive plans would be "inhuman". But concern has grown significantly in the last couple of days; both about the rising number of cases and the new variant of the virus disclosed earlier this week. Ministers met with their scientific advisers yesterday evening - and again this morning. Things have moved quickly in the last 24 hours. Sources have confirmed a new tier four will be introduced in London and the south-east England. That's likely to mean ... (full story)