LIFE STYLE EXTRA (UK) - Sir Paul McCartney has fired seven people from his New York offices - because he allegedly wants to cut all ties with estranged wife Heather Mills. According to America's New York Post newspaper, the former Beatle decided to dismiss the staff from MPL Communications, his lucrative music publishing house, this week in an unexpected cull. Paul's spokespeople have so far refused to comment on the sackings, but speculation is rife he made the tough decision because of their connections to Heather, who reportedly had a hand in the majority of his business affairs. Earlier this...