- Russia says it is hard to believe Islamic State could have launched Moscow attackReuters
- Russia’s FSB chief says U.S., Britain, Ukraine behind Moscow attack – TASSReuters
- Russian investigators receive more than 100 missing person reports after Moscow concert hall attackCNN
- Ukraine war updates: Russia says it’s ‘hard to believe’ Islamic State group behind terror attack; death toll rises to 140CNBC
- Russia terrorist attack: Why ISIS-K hates Putin—and went after Moscow.Slate