Shooting at concert hall US “Informed Russia in advance”. On the night of the 22nd, someone fired a gun at a concert hall on the outskirts of Russia's capital, Moscow, and a fire broke out in the building.

The U.S. Embassy in Russia notified American citizens that there are reports that extremists have imminent plans to target concerts and other large gatherings in Moscow. For about two days, people were urged to avoid participating in large gatherings. The Washington Post, quoted American officials as saying that the call for caution was due to the possibility that an organization called ``ISIS-K'' was operating within Russia.