Rumors and speculation continue to swirl around a radiological accident last week at a missile test site in northwestern Russia even as officials held a memorial service today for those who died in the incident. The Kremlin has now acknowledged that the incident killed at least seven scientists and other personnel from a major state nuclear research laboratory, who were working on a system that included a small nuclear reactor at the time. This same lab is linked to the development of a nuclear-powered cruise missile called Burevestnik and U.S. intelligence officials are reportedly increasingly of the view that one of these weapons, or a test article related to it, exploded in this mishap.

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