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FSB says US warned Russia of possible Moscow attack

By Thomson Reuters Oct 31, 2026 | 11:36 AM

MOSCOW, Oct 31 (Reuters) – 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 ‌US ​Embassy in Moscow ⁠said separately it ⁠was “aware of a credible threat of a mass casualty event” on Saturday at Moscow’s Tsaritsyno ​Museum Reserve and that the US government was ⁠coordinating with Russian ⁠authorities.

The Tsaritsyno Museum Reserve, ​a palace museum and park complex ​south of Moscow, has been ‌temporarily closed and access to the park is currently restricted, the RIA news agency ⁠reported, citing Russian law enforcement agencies.

In March 2024, the US Embassy warned ⁠that ‌extremists had imminent plans ⁠for an attack in ​Moscow. ‌Days later, gunmen attacked ​the ⁠Crocus City Hall concert venue outside Moscow, killing more than 140 people.

(Reporting by Anton Kolodyazhnyy; Editing by Joe Bavier and ​Jan Harvey)