Thousands of Ukrainian civilians imprisoned in Russia endure abuse, forced labor

Thousands of Ukrainian civilians are being detained in prisons across Russia and occupied Ukraine.
Detainees face torture, slave labor, and inhumane conditions in overcrowded prisons.
Russia plans major expansion of prison system in occupied regions of Ukraine.
Ukrainian prisoners report being forced to dig trenches and mass graves at gunpoint.
Russia denies holding civilians while violating Geneva Conventions on treatment of prisoners.