TerrorismRussian Federation
US warns Russia of possible mass-casualty attack in Moscow

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Beenish Javed | Konstantin Eggert in Riga, Latvia
November 1, 2026Advertisement
The United States has warned Russia of a credible threat of a mass-casualty attack at Moscow's Tsaritsyno Museum Reserve.
Why is Washington sharing sensitive intelligence with Moscow despite tensions over Ukraine, and how seriously should this warning be taken after the deadly Crocus City Hall attack in 2024?
DW Russia analyst Konstantin Eggert assesses the threat and the unusual cooperation behind it.