What Is Islamic State-Khorasan, Group Blamed For Moscow Concert Attack? – Analysis
By Frud Bezhan
(RFE/RL) — Scores of people were killed after gunmen stormed a concert venue in the Moscow region in what was the deadliest attack in Russia in decades.
The March 22 attack was claimed by the Islamic State (IS) militant group. U.S. officials said a regional branch of IS — Islamic State-Khorasan (IS-K)...
