A former hostage struggles with the return home / French prison hostage situation over after inmate surrenders / French prison hostage-taker surrenders / Staff held hostage at Arles prison in France, local media report / Russian inmates take staff hostage at prison colony / Four dead in Russian jail hostage-taking / At least one killed as inmates take staff hostage in Russian prison / Russian forces kill IS-linked hostage takers at detention centre / Russian forces storm a detention facility to rescue staff taken hostage, killing hostage takers / Hostage takers in Rostov detention center eliminated, hostages safe -- authorities