sentences:  The circumstances surrounding the unexplained accident have led to various controversies and allegations of sabotage.Cazalet's family received a flood of tributes, many from unknown admirers and others from notables, including Churchill, Anthony Eden, Eleanor Rathbone, Hugh Dalton and Polish dignitaries.Chaim Weizmann speaking at a memorial ceremony in London, described Cazalet as "one of the few precious friends of the Jewish people in modern times who never was moved from his devotion to the (Zionist) cause."