How will Russia retaliate to the mass shooting in Moscow? | Inside Story

It's the worst attack on the Russian capital in more than a decade. Gunmen opened fire in a crowded concert venue, killing at least 150 people. An ISIL-linked group has claimed responsibility. But why is it targeting Russia? And how did such a major breach of security happen? Presenter: James Bays Guests: Ahmed Rashid -- Veteran journalist who specialises on Afghanistan and Pakistan and the author of best-selling books on the Taliban and Central Asia Owen Matthews -- Author of 'Overreach: The Inside Story of Putin's War Against Ukraine' and a Russia specialist Jerome Drevon -- Senior Analyst in Jihad and Modern Conflict at the International Crisis Group. Jerome specialises in non-state armed groups 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