The ongoing allegations of abuse of inmates at Nagoya Prison have highlighted human rights concerns that have been raised by domestic and international watchdogs over Japan's prison system.
Last Friday, prosecutors arrested five guards at the prison, including the head guard, Takashi Watanabe, for allegedly using excessive force to subdue a prisoner that led to his hospitalization.
Prosecutors also suspect other abuse in the penitentiary claimed an inmate's life.
With your current subscription plan you can comment on stories. However, before writing your first comment, please create a display name in the Profile section of your subscriber account page.