U.S. Embassy Urgent Warning of Possible Mass Casualty Attack in Moscow The U.S. Embassy in Moscow has issued an urgent security alert stating that there is a "credible" threat of a possible mass casualty incident at the Tsaritsyno Museum complex on Saturday. This embassy has announced that US officials are coordinating with Russian officials in response to this threat. The American Embassy asked the citizens of this country to stay away from the museum and its surrounding areas, stay away from crowded places, stay alert and follow local media news for new information.

U.S. Embassy Urgent Warning of Possible Mass Casualty Attack in Moscow The U.S. Embassy in Moscow has issued an urgent security alert stating that there is a "credible" threat of a possible mass casualty incident at the Tsaritsyno Museum complex on Saturday. This embassy has announced that US officials are coordinating with Russian officials in response to this threat. The American Embassy asked the citizens of this country to stay away from the museum and its surrounding areas, stay away from crowded places, stay alert and follow local media news for new information.