TERRIFIED British students tell of dead bodies, rape, crack, gunshots, filth and a sickening stench filling the thick air. From Ryan Parry, Us Correspondent, Inside The New Orleans Superdome BRITISH students told yesterday how they stepped out of the horror of Hurricane Katrina into the hell of their Superdome "shelter". A place of refuge became a terrifying trap, where knives and guns, crack cocaine use, threats of violence and racial abuse were rife. Jamie Trout, 22, who kept a record of his four days there, said: "It was like something out of Lord of the Flies - one minute everything...