The FSB received information from the United States about the preparation of a terrorist attack in Moscow The Russian FSB confirmed receiving information from the United States about the possible preparation of a terrorist attack in Moscow. The department is currently carrying out relevant work, but no details have been provided. The US Embassy in Russia issued a threat alert at the Tsaritsyno Museum Reserve, warning of possible mass casualties. US citizens are advised to avoid the area, stay alert and carry a phone and ID. So far, there have been no official confirmations of specific threats to the residents of Moscow.