(AGI) Beijing, July 21 - U.S. fast food multinationalsMcDonald's, KFC and Pizza Hut have stopped buying from theirmeat supplier in Shanghai, who has been accused of sellingspoilt meat. The announcement was made after local authoritiesclosed down the plant involved as a precaution, threatening"severe punishment." Charges were brought following a two-monthlong investigation by journalists working for Dragon TV, whobelieve that the Shanghai-based Husi Food Company falsifiedsell-by dates to resell meat to international fast foodcompanies. (AGI) . .