- Moscow concert hall attack: Why is ISIL targeting Russia? Al Jazeera English
- Death toll rises to 133 in Moscow terror attack, 11 suspects arrested Fox News
- The ghost of Russia’s past wars comes back to haunt Moscow CNN
- Islamic State releases photo of alleged attackers in Russia shooting Reuters.com
- Putin says gunmen who raided Moscow concert hall tried to escape to Ukraine. Kyiv denies involvement Yahoo! Voices