CNN, USA had warned Moscow of the risk of ISIS attacks - Breaking news. CNN reports this, citing informed sources.

According to the New York Times, however, the American embassy in Moscow warned Washington on March 7 that it was "monitoring reports that extremists have imminent plans to attack major events in Moscow, including concerts" In the alert, which according to the sources of the American newspaper was linked to today's attack, it was claimed that the attacks could have occurred within 48 hours.