Russia cracks down on concert carnage culprits.
FSB arrests 11 suspects, incl. 4 gunmen after ISIS claims 93 were killed in the attack
Security chief updates Putin as Kremlin moves swiftly to capture perpetrators.
Hunt leads southwest to the detained duo after a high-speed chase of the getaway car.
Pistol, assault rifle mag & Tajik passports recovered from forest flee suspects.
Nation reels from deadliest terror since 2004 school siege as gun horror unfolded.
Witnesses recall the chaos – shots, bursts of fire, victims collapsing in pools of blood.
Panic ensues as concert-goers scramble for exits in a stampede at a packed music event.
Russia grapples with the fallout of mass shooting rampage claiming innocent lives.
Zero tolerance pledged as security forces get to the bottom of extremist massacre.
