American tourist attacked armed cops outside Buckingham Palace

  A drunken American tourist attacked two armed police officers after asking if they knew any jokes outside Buckingham Palace, a court heard. Ryan Robinson, 36, launched a ‘vicious’ assault on the constables awaiting the arrival of Prince Charles on February 14. The thug from Hawaii left PC Simon Leckie and PC Ben Collins with serious bruising after he showed ‘extaordinary strength’ to lift them off the ground, Wesminster Magistrates’ Court heard. He had initially stumbled over to the pair…