Article continues below advertisementSir Paul McCartney was saved from being stabbed to death when his wife Linda McCartney yelled he was a "soul brother" at a knife-wielding gang.The terrifying tale is contained in a new book on Paul's band Wings, which the Beatles icon, 83, set up after the break-up of his iconic 1960s band.His near-fatal encounter occurred in 1973 while Paul was in Nigeria recording "Band on the Run" with Wings. Wings had flown to Lagos to work in EMI's local studio during monsoon season, only to find the facility unfinished and the city's streets volatile.