US President Donald Trump has said he "didn't want" London Mayor Sir Sadiq Khan at the state banquet hosted by the King at Windsor Castle. Speaking to reporters on Air Force One heading back the US, Trump described Sir Sadiq as "among the worst mayors in the world", saying he had wanted to attend the event, but "I asked that he not be there". The BBC understands Sir Sadiq did not seek or expect an invite to the state banquet, and a source close to the mayor said Trump's politics sowed "fear and