A Good Samaritan who rushed to help the victims of a multi-vehicle crash has been jailed after police called to the scene discovered he was carrying a knife. Bradley Packman, of Margate, was found with the blade hidden in his shorts by officers responding to the accident in the early hours of a July morning in Cliftonville. When police arrived in Ethelbert Road, where a car was on its roof, they believed the 30-year-old had been involved in the crash, then placed him in their vehicle to take him to hospital. But after removing Packman from the van, police discovered he was concealing a large k…