# U.S. Embassy warns of ‘mass casualty’ threat at Moscow’s Tsaritsyno museum; FSB confirms warning

https://mins.news/en/item/123860

- Meduza, 2026-10-31 16:43 UTC
- World
- Original: https://meduza.io/en/news/2026/10/31/u-s-embassy-warns-of-mass-casualty-threat-at-moscow-s-tsaritsyno-museum-fsb-confirms-receiving-the-warning

> The U.S. Embassy in Moscow said the Tsaritsyno Museum-Reserve faced a credible threat of a mass-casualty event on October 31 and that it was coordinating with Russian authorities. Russia’s Federal Security Service confirmed receiving a U.S. warning about a planned terrorist attack in Moscow, saying appropriate action was underway. A museum representative said staff knew of no threat and the site remained open as usual.

## Related coverage

- [US Embassy Warns of Mass-Casualty Threat at Moscow Museum](https://mins.news/en/item/123853) — Bloomberg News, 2026-10-31
- [US warns Russia of 'mass-casualty event' threat at historic palace outside Moscow](https://mins.news/en/item/123829) — The Kyiv Independent, 2026-10-31