Roger Hayhurst was known as Knight Warrior
                                
                                
                                    (Newser) -
                                    A real-life superhero says he's hanging up his mask after getting beat up on the streets of Manchester, England, the  Telegraph  reports. Roger Hayhurst, 20, who called himself Knight Warrior, had promised "to get crime off the streets" while donning a $300 costume of black-and-blue lycra. He even...