ISIS fanatics take control of Russian jail cutting guard's throat and taunting Putin before gruesome siege ends in bloodshed when inmate 'fails to blow himself up' and is 'liquidated' by special forces along with three others

isis, fanatic, inmates, who, took, control, russian, penal, colony, slashing, guards, throat, forcing, maimed, hostages, beg, putin, help, now, been, liquidated, snipers, according, security, forces, video, emerged, knifewielding, prisoners, harsh, regime, ik19, volgograd, saying, were, mujahideen, islamic, state, seeking, revenge, their, brothers, carried, out, crocus, city, hall, massacre, one, hostagetakers, identified, rustamchon, navruzi, 23, native, tajikistan, said, strapped, himself, explosives, made, jail, workshop, using, petrol, industrial, liquids, four, attackers, posted, gruesome, videos, showing, them, holding, knife, neck, terrified, guard, while, other, uniformed, officials, seen, lying, floor, bleeding, wounded, prison, officer, face, covered, blood, another, being, forced, vladimir, intervene, inside, surovikino, compound, reportedly, demanded, helicopter, 15, million, cash, air, corridor, southeast, order, leave, country, threatened, kill, if, demands, werent, met, siege, came, dramatic, end, russias, feared, special, moved, trying, failing, detonate, suicide, vest, before, along, three, fellow