‘Absolute evil’: the horrors of a Russian prison camp

Screams from soldiers being tortured, overflowing cells, inhuman conditions, a regime of intimidation and murder. Inedible gruel, no communication with the outside world, and days marked off with a home made calendar written on a box of tea.

This, according to a prisoner, is what conditions are like in Olenivka, the detention centre outside Donetsk where dozens of Ukrainian soldiers burned to death in a horrific episode