ISIS-K, the group linked to Moscow's terror attack, explained
ISIS claims responsibility for Moscow concert venue attack as part of ongoing threat by ISIS-K.
Isis
Ukraine war updates: Russia says it's 'hard to believe' Islamic State group behind terror attack; death toll rises to 140
Pussy Riot member sentenced to prison, rising death toll in Russian strikes, and tensions with Kyrgyzstan.
Lukashenko undermines Putin's Ukraine claim on Moscow concert hall attack | CNN
Belarusian President contradicts Russia's claims on attack origins.
Moscow Terror Suspects Plotted Other Massacres in Europe
Several terrorist suspects linked to ISIS-K's mass shooting plot in Moscow have ties to past attacks in France.
The Moscow terror attack could drive a wedge between Russia and one of its longtime allies
ISIS-K claims responsibility for terror attack in Moscow, straining Russia's relationship with Tajikistan.
Moscow concert hall attack suspects appear in court as Russia defends security services | CNN
Suspects in deadly Moscow concert hall attack appear in court on terror charges linked to ISIS.