Shocking body-cam footage captured the moment a robber hurled slates at police officers and set fire to his TROUSERS during an hour-long rooftop standoff. Sam Nicholas Allan, 30, was caught on camera bizarrely waving his flaming trousers around his head while laughing after he had robbed a pub on February 4 last year. He escaped onto the roof of a newsagents after he had struck at The Mill Tavern, in Flint, North Wales, as police were called to the scene at around 12.40am. Body-cam footage shows him standing bare-chested in the freezing cold throwing roof slates at a group of ten officers. He then took off his trousers, set them alight and started waving them around while shouting “watch what happens now” - before finally being arrested.