An intense fire has destroyed a house in Muswellbrook overnight, firefighters responded to reports of a person trapped in a house fire. Upon arrival, the man had managed to escape the inferno without assistance due to a having a working smoke alarm. The man was taken to Muswellbrook hospital for observation. The heat from the fire was so intense that the house next door suffered heat damage as a result of the fire. When was the last time you checked your smoke alarm?...