The Bushehr plant has stood outside the current controversy over Iran's nuclear program since Russia will be providing the fuel for the plant and supervising its disposal.
But other aspects of Iran's nuclear work, especially its enrichment of uranium, are of concern to the United States and other world powers. Enrichment can be used to produce weapons as well as make fuel for power plants.
Iranian Intelligence Minister Heidar Moslehi has announced the arrests of several people it alleged were suspected of nuclear espionage but he gave no details and did not clearly link the suspects with the investigation into Stuxnet.
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