Security Alert: Threat to Tsaritysyno Museum Reserve in Moscow The U.S. Embassy in Moscow is aware of a credible threat of a mass casualty event TODAY October 31, at the Tsaritsyno Museum Reserve in Moscow at Dolskaya Ulitsa 1, Moscow, Russia 11569. The U.S. government is coordinating with appropriate Russian authorities on a response. Actions to take: Avoid the Tsaritsyno Museum Reserve location TODAY, October 31, 2026. Avoid the area, stay alert, and avoid crowds. Be aware of your surroundings. Review your personal security plan. Keep your cellphone charged in case of emergency. Carry proper identification. Monitor local media for any further information Enroll in the Smart Traveler Enrollment Program (STEP ) to receive health and security updates. Assistance: U.S. Embassy Moscow, Russia +7 495 728-5577 MoscowACS@state.gov U.S. Embassy Moscow web page State Department – Consular Affairs (+001) 888-407-4747 or (+001) 202-501-4444 Russia Country Information Follow us on Facebook and Twitter State Department – Consular Affairs 1-888-407-4747 or 1-202-501-4444