World·Russia

U.S. Embassy in Moscow warns of a 'credible threat' of a mass casualty event Saturday at the Tsaritsyno Museum Reserve

Published 5:00 PM CT, Saturday, October 31, 2026 · Updated 5:17 PM CT
In the 5 PM CT update

The U.S. Embassy in Moscow issued a security alert Saturday saying it was "aware of a credible threat of a mass casualty event TODAY October 31" at the Tsaritsyno Museum Reserve and was coordinating with Russian authorities, Fox News reported. The embassy urged people to avoid the area, stay alert, avoid crowds and keep phones charged. Fox noted the museum, a former summer home of Catherine II, drew more than two million visitors in 2022.

• Russia
• Moscow
• U.S. Embassy
• Tsaritsyno Museum
• Security alert
• Terrorism
• State Department
• Travel warning
• United States