Islamic State terrorists kill at least 137, wound hundreds in Moscow concert hall shooting
The United States had warned Russia on March 8 that "extremists" had imminent plans for an attack in Moscow.
Vehicles of Russian emergency services are parked near the burning Crocus City Hall concert venue following a reported shooting incident, outside Moscow, Russia, March 22, 2024.(photo credit: MAXIM SHEMETOV/REUTERS)Updated: 
