direct to your inboxPassengers have been cramming into overcrowded train carriages as they rush to leave the capital before Tier 4 restrictions come into force tonight.Meanwhile, shoppers with just hours left desperately scrambled to buy Christmas presents before non-essential retailers closed their doors.London and the South East will be plunged into the new Tier 4 restrictions from midnight.Millions of people will be placed under the toughest new restrictions as the Government works to try and curb a highly-contagious Covid-19 mutation.Shoppers filled London’s high streets, including Oxford Street as they rushed to buy last minute gifts following Prime Minister Boris Johnson’s announcement.While travellers flocked to the capital’s train.