The US passed on data to the Russian Federation about the preparation of a terrorist attack in Moscow. The announcement about the security threat appeared on the website of the US Embassy. According to the FSB, information about the preparation of attack was transmitted to the United States through partner channels.

The US passed on data to the Russian Federation about the preparation of a terrorist attack in Moscow. The announcement about the security threat appeared on the website of the US Embassy. According to the FSB, information about the preparation of attack was transmitted to the United States through partner channels.