China's hidden policy of executing prisoners of the forbidden quasi-Buddhist group Falun Gong and harvesting their organs for worldwide sale has been expanded to include Tibetans, "house church" Christians and Muslim Uighurs, human rights activists said Monday.

Although the practice of harvesting organs from prisoners has been documented as early as 1992 by Chinese dissident Harry Wu's Laogai Research Foundation, it was not until 2006 that the Epoch Times, a Falun Gong publication, accused the Chinese government of using its adherents for the practice. (Read more from the Washington Times)