Leon star Jean Reno has been rushed to hospital after suffering a serious heart attack, according to reports.The 60-year-old was on holiday on the Caribbean island of St Barts with his wife Zofia Borucka when he was taken ill on Thursday.The couple had been staying at the home of French singer Johnny Hallyday.Reno was airlifted to Fort-de-France hospital. No further details on his condition were available.