LONDON: King Charles met “heroic ” British-Arab train guard Samir Zitouni at a reception at Buckingham Palace on Wednesday. Zitouni was hailed a hero for protecting passengers during a knife attack on a train in England last month. The king was pictured shaking hands with Zitouni, who was seriously injured when he intervened as an attacker stabbed passengers on a Doncaster to London service on Nov. 1.