The US Embassy in Moscow issued a warning about a "credible threat of an event that could cause mass casualties" on the grounds of the Tsaritsyno Museum Reserve. It should be noted that the American administration is coordinating response measures with the relevant authorities in Russia.

The US Embassy in Moscow issued a warning about a "credible threat of an event that could cause mass casualties" on the grounds of the Tsaritsyno Museum Reserve. It should be noted that the American administration is coordinating response measures with the relevant authorities in Russia.