Moscow concert hall attack: Why ISIS would target Russia

ISIS is claiming responsibility for a Moscowarea concert hall attack that s left dozens dead. CBCs Ben Makuch, a national security reporter who has covered ISIS for more than a decade, explains why the terrorist group would target Russia. , Moscow, Russia, news Watch The National live on YouTube SundayFriday at 9 p. m. ET Subscribe to The National: More from CBC News, The National is the flagship of CBC News, showcasing awardwinning journalism from across Canada and around the world. Led by Chief Correspondent Adrienne Arsenault and Ian Hanomansing, our team of trusted reporters helps you make sense of the world, wherever you are.