The US Embassy warned of a security threat in Tsaritsyno in Moscow. According to the American diplomatic mission, today, October 31, there is a "credible threat of an incident" in the territory of the museum reserve, which could allegedly lead to "mass casualties". The embassy also said it was coordinating response measures with Russian authorities. US citizens were advised not to visit Tsaritsino. The museum-reserve told the media that they had no information about the threat. The park continues to operate as usual. UPD: The FSB clarifies that information was received from the American side through partner channels about the preparation of a terrorist attack in Moscow, and relevant work was carried out.