The US Embassy in Moscow has issued an emergency warning of a "credible threat" with mass casualties at the Tsaritsyno Museum Reserve. It was reported that US citizens were urged not to visit the reservation under any circumstances. The Tsaritsino Museum Reserve was closed "for technical reasons" - media police arrived at the scene, the entrance is now closed.

The US Embassy in Moscow has issued an emergency warning of a "credible threat" with mass casualties at the Tsaritsyno Museum Reserve. It was reported that US citizens were urged not to visit the reservation under any circumstances. The Tsaritsino Museum Reserve was closed "for technical reasons" - media police arrived at the scene, the entrance is now closed.