American warning about the possibility of a deadly terrorist attack at the museum in Moscow The American Embassy in Moscow announced the existence of a credible threat about the possibility of a terrorist attack with massive casualties at the "Tsaritsino" museum complex; Russia's Federal Security Service also announced that it had received information about this threat from Washington and put the necessary measures on the agenda.

American warning about the possibility of a deadly terrorist attack at the museum in Moscow The American Embassy in Moscow announced the existence of a credible threat about the possibility of a terrorist attack with massive casualties at the "Tsaritsino" museum complex; Russia's Federal Security Service also announced that it had received information about this threat from Washington and put the necessary measures on the agenda.