US warns of credible mass-casualty threat at Moscow palace; FSB confirms receiving warning
Embassy warns of possible mass-casualty event at Tsaritsyno; FSB says it received warning of planned terrorist attack, with relevant work underway
The US Embassy in Moscow has warned of a credible threat of a mass-casualty event at the Tsaritsyno Museum Reserve in southern Moscow and said it is coordinating with Russian authorities. Russia's Federal Security Service (FSB) confirmed receiving the warning about a planned terrorist attack and said relevant work was underway.