- Moscow attack: Russian court charges four men with act of terrorismBBC.com
- ISIS Affiliate Linked to Moscow Attack Has Global AmbitionsThe New York Times
- After preordained election, Putin claims vote proves public support for his policiesThe Associated Press
- Russians lower flags in mourning, suspects charged in deadly concert-hall attackReuters
- Massacre, manhunt and mourning: How Russia’s deadliest attack in years unfolded over the weekendThe Hill