"ISIS Claims Responsibility for Deadly Moscow Concert Hall Attack"

Islamic State claims responsibility for the shooting at the Crocus City Hall concert center near Moscow, where dozens were killed and over 100 wounded during a sold-out concert by the Russian rock group Piknik. The attack has prompted Russia to cancel all entertainment and mass events, while international reactions express shock and condemnation. The Ukrainian ministry denies involvement and accuses Russia of provocation, and the search for the attackers is ongoing.