ISIS-K Claims Credit After 137 Killed in Moscow Concert Attack; Russia Tries to Blame Ukraine
ISIS-K, an affiliate of the Islamic State, has claimed responsibility for an attack on a popular concert hall in Moscow that killed at least 137. Authorities say gunmen opened fire inside the Crocus City Hall building during a sold-out rock concert and then set part of the venue on fire. More than 100 people were injured in the attack, and many remain in critical condition.

























