Self-styled 'assassin' who tried to kill the Queen with a crossbow at Windsor Castle on Christmas Day after being encouraged by his AI 'girlfriend' is being sentenced.Runner is disqualified from half marathon over cheating claims - after 'analysis showed he would have had to run a world record pace for seven miles to achieve the time he claimed'.'Wobbly' Millennium Bridge SHUTS as officials admit it's too dangerous: £18.2million London footbridge linking Tate Modern and St Paul's Cathedral will close for three weeks.