Photograph by Artyom Geodakyan/ITAR-TASS/Zuma Press

Photograph by Artyom Geodakyan/ITAR-TASS/Zuma Press

Police escort children out of a school in northeast Moscow where a student took fellow pupils hostage and shot a teacher and a police officer on Feb. 3. Photograph by Artyom Geodakyan/ITAR-TASS/Zuma Press