By Tom Mack & Ewan Gleadow A brave husband and wife fought off a gang of armed robbers who tried and failed to invade their home. The couple from Oadby fought off three men, one with a knuckleduster, late in the evening when the trio barged into their house on Ringers Close after the husband answered the doorbell. One of the intruders demanded: “Where is your safe?” The husband denied having one and yelled for his wife and daughters to call the police. Despite being attacked and knocked to the floor, he managed to get back up and, with his wife’s help, forced the thugs out of their home. The c…