The U.S. Embassy in Moscow issued a security alert warning of a credible threat of an incident that could cause mass casualties at the Tsaritsyno Museum-Reserve and park on Oct. 31.
The embassy urged U.S. citizens to stay away from the area and remain vigilant, adding that U.S. authorities were coordinating with relevant Russian agencies on measures against the threat.

FSB confirms receiving U.S. information
Russia's Federal Security Service (FSB) said it had received information from the United States about preparations for a terrorist attack in Moscow. "The necessary work is being carried out," the agency said.
Tsaritsyno, an 18th-century palace and park complex in southern Moscow, is one of the city's most visited museum sites.
Cover photo: Vyacheslav Argenberg / Wikimedia Commons (CC BY 4.0)