The UK is said to be secretly preparing for a direct military assault by Russia as senior officials warn the country is ill-equipped for a modern conflict on home soil. The Cabinet Office is reviewing whether to update Britain's 20-year-old 'homeland defence plan' that sets out how the Government responds to a declaration of war, according to The Telegraph. The move comes after a series of chilling threats from Russia and mounting concerns in Whitehall over the nation's civil and military