U.S. agencies warned Russian officials earlier this month about the possibility of a planned terrorist attack in Moscow, according to National Security Council spokesperson Adrienne Watson.

“Earlier this month, the U.S. Government had information about a planned terrorist attack in Moscow — potentially targeting large gatherings, to include concerts — which prompted the State Department to issue a public advisory to Americans in Russia. The U.S. Government also shared this information with Russian authorities in accordance with its longstanding ‘duty to warn’ policy,” Watson said in a statement.

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