Prince Harry almost punched an actor who was playing a zombie during his latest appearance in New York. The Duke of Sussex appeared on The Tonight Show alongside host Jimmy Fallon. The duo walked through Tonightmares, an all-new haunted maze experience linked to the US TV programme. Harry did not take part in an interview with Fallon, instead being the first guest on the show to experience the maze ahead of Halloween next month. The Duke of Sussex appeared on edge as he walked through the maze, screaming “f**k” after a jump scare. As Harry and Fallon thought they had finished the maze, a zombi…