Did rivals try to scupper BHP's uranium sale to Cameco?

The West Australian reports rumours have been circulating in the state's mining community that Rio Tinto (NYSE:RIO) and Paladin Energy (TSX:PDN) attempted to sabotage BHP Billiton's (LON:BHP) $448 million sale of uranium property Yeelirrie to Canada's Cameco (TSX:CCO). Unconfirmed reports...