In a twist of irony, five of Russia's top nuclear experts who had a hand in designing an Iranian nuclear facility were among the victims of a plane crash near Petrozavodsk earlier this week.
Those killed include lead designers and technological experts who worked at the Bushehr plant after the construction contract passed into Russian hands in the mid-1990s.
Russian security sources reportedly called the deaths a great blow to the country's nuclear industry but don't suspect foul play. In recent years, top Iranian nuclear scientists have also been victims of plane crashes and other unexplained accidents.
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