My Dad has always been a firm believer in the supernatural, or at the very least took great interest in it. He worked for the London Underground as an electrician and always had his fair share of ghost stories told to him by his fellow workers. He always told me it was “best to be open-minded about things we don’t fully understand.” Myself, on the other hand, always remained sceptical about these sorts of things, that was until one day when Dad told me a story with such sincerity, I felt genuine concern for him, and even though I tended to question anything that was regarded as paranormal, the way my father told this story with such honesty in his…