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Russia's Planned Withdrawal of Its CTBT Ratification - United States Department of State
Putin officially opens door to new nuke testing
By Claudia Chiappa
World News in Brief: Russia pulls out of nuclear test ban treaty, climate 'health crisis', pushback against bullying
Putin revokes Russia’s ratification of nuclear test ban treaty
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S. Korea expresses regret over Russia's withdrawal of ratification of global nuclear test ban treaty
Russia Pulled Out of a Nuclear Test Ban Treaty. Here's What That Means.
By Neil MacFarquhar
Putin pulls Russia out of nuclear test ban treaty
By Timothy Hj Nerozzi