Russia’s FSB says U.S. warned Russia of possible Moscow attack

Russia's FSB confirmed receiving warnings from the U.S. regarding a potential terrorist threat at a Moscow museum, leading to temporary closures. Simultaneously, the U.S. administration has approved a potential sale of Patriot missiles to Ukraine to bolster its defense capabilities.
Why it matters
Highlights the complex, often contradictory nature of U.S.-Russia intelligence sharing and ongoing geopolitical tensions regarding the Ukraine conflict.
MOSCOW Russia’s Federal Security Service (FSB) said it had received information from the United States through established partner channels about preparations for a terrorist attack in Moscow and was taking appropriate measures. The U.S. Embassy in Moscow said separately it was “aware of a credible threat of a mass casualty event” on Saturday (October 31, 2026) at Moscow’s Tsaritsyno Museum Reserve and that the U.S. government was coordinating with Russian authorities.
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