@dailymailuk: Incredible footage has revealed the moment a hero police officer single-handedly restrained a knife-wielding attacker. PC Morgan Younger miraculously managed to detain Fitzgerald Carty at a London petrol station last month. Carty has since pleaded guilty to possession of a knife and attempted grievous bodily harm with intent and was sentenced to a total of three years behind bars on Monday. #lewisham #london #crime #metpolice #metropolitanpolice #knife