BRITAIN-POLITICS-ATTACK-PARLIAMENT

British Conservative Party politician Tobias Ellwood, who gave first aid to the fatally wounded police officer Keith Palmer, one of the casualties of the March 22 London terror attack, arrives at the Houses of Parliament in central London on March 24, 2017. - At least four people were killed and 40 injured after being run over and stabbed in a lightning attack at the gates of British democracy attributed by police to "Islamist-related terrorism". In the immediate aftermath of the attack on March 22 foreign Office minister Tobias Ellwood was pictured with his face smeared with blood helping to give first aid to a fatally wounded police officer just inside the Parliamentary Estate. (Photo by CHRIS J RATCLIFFE / AFP) (Photo by CHRIS J RATCLIFFE/AFP via Getty Images)