US embassy warns of credible security threat at Tsaritsyno Museum in Moscow

On October 31, 2026, the United States Embassy in Moscow issued an urgent security warning regarding a credible threat of a mass-casualty incident at the Tsaritsyno Museum and Nature Reserve, located at 1 Dolskaya Street. U.S. officials advised all American citizens to avoid the immediate area, remain vigilant, monitor local media, and keep their mobile devices charged while carrying identification documents at all times.

The Russian Federal Security Service (FSB) confirmed receiving information from U.S. authorities through established communication channels regarding preparations for a potential terrorist attack. The FSB stated that it has already begun implementing necessary security measures in response to the intelligence provided by their American counterparts.

This incident highlights ongoing coordination between U.S. diplomatic staff and Russian security agencies to mitigate risks to public safety. As of now, the situation remains fluid, with citizens urged to maintain high situational awareness while Russian authorities continue their investigation and protective operations in the vicinity of the museum complex.