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Russian authorities have evacuated dozens of buildings in Moscow... ... and other cities this week after a flary of anonimous calls... ...claiming that bombs were planted there. All of the threats have so far turned out to be false alarms. On Wednesday, three of Moscow's main train stations were checked... ...along with the city's famous Gum department store near Red Square. Ryan Avasty news agency says: "The hoaxes affected more than... ... 20 cities. And that many of the calls were believed to have been... ... made from Ucrain.