United States Embassy warns of threat at Moscow museum

The United States Embassy in Moscow issued a security alert on October 31, 2026, warning of a credible threat of a mass casualty event at the Tsaritsyno Museum Reserve. Fox News and the U.S. Embassy reported that officials warned people to avoid the museum site and stay alert. [1][2]

According to statements cited by Fox News, the security threat was specifically identified for October 31 at the venue located at Dolskaya Ulitsa 1 in Moscow. The American government stated that it is coordinating a response with appropriate Russian authorities. [1]

The embassy advised individuals in the area to avoid crowds as part of the security precautions. Additional reports by The Moscow Times, LBC, Bloomberg, and Ukrainska Pravda also confirmed the embassy warning regarding the threat in the Russian capital. [1][3][4][5][6]

The Tsaritsyno Museum Reserve was originally founded in 1775 to serve as a summer home, Fox News reported. Moscow is the historic capital of Russia, first documented in 1147. [1][9]