WEST INDIES fast bowler Curtly Ambrose has dismissed what he calls "vicious rumours" that he is planning to retire from international cricket.Ambrose was reported to be ready to send a retirement letter to the West Indies cricket board. But Ambrose insists he is available for the fiveTest series against England, which starts on January 29th with the first Test at Sabina Park, Jamaica."I'm not done yet and only Curtly Ambrose knows when to call it quits," Ambrose said. "I still have something to offer to West Indies cricket," insisted the 34-year-old.