An undated houdout photo released on Sep [Getty Images]

An undated houdout photo released on September 4, 2009 by Rio Tinto shows a reclaimer working in the Yandicoogina stockyard and loading a conveyor with high grade iron ore in Western Australia's Pilbara region. Rio Tinto has on September 4, announced that iron ore negotiations with China had been suspended as a result of the detention of Australian Stern Hu, one of the company's Shanghai-based negotiators. AFP PHOTO / Christian Sprogoe / Rio Tinto / RESTRITED TO EDITORIAL USE (Photo credit should read Christian Sprogoe/AFP/Getty Images)

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