Moscow concert hall attack: Russia mourns as search work continues

Russia is observing a national day of mourning after a shooting in Moscow killed at least 137 people. Crews are still recovering bodies at the site. An ISIL-linked group claimed responsibility for the attack which is the worst in Russia in two decades. Al Jazeera's Dorsa Jabbari reports from the Russian capital, Moscow. Subscribe to our channel http://bit.ly/AJSubscribe Follow us on Twitter https://twitter.com/AJEnglish Find us on Facebook https://www.facebook.com/aljazeera Check our website: http://www.aljazeera.com/ Download AJE Mobile App: https://aje.io/AJEMobile #Russia #Moscow #MoscowConcertHallAttack #MoscowAttack #CrocusCityHall #CrocusCityHallAttack #VladimirPutin #AlJazeeraEnglish