A woman who set up a Mothers Against Violence campaign group after her son was shot dead has been murdered. Pat Regan's body was discovered in Marlborough Grange, Leeds, West Yorkshire Police said. A 19-year-old man, believed to be a member of her family, has been arrested on suspicion of murder. Mrs Regan, 53, established Mothers Against Violence Yorkshire after her son Danny was shot dead in December 2002. Sky sources say she was not shot.