There have been more than 100 bomb scares in Moscow in the past two days, as anonymous phone calls warning of planted explosives continue to be received.
Law enforcement authorities say the hoaxers are trying to extort bitcoins in exchange for backing down on the bomb threats.
Ross Cullen has more.
Law enforcement authorities say the hoaxers are trying to extort bitcoins in exchange for backing down on the bomb threats.
Ross Cullen has more.
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