Human rights groups say thousands of people, including children, have been arbitrarily detained and tortured by both sides of the war in Yemen.
Yemeni forces and Houthi fighters are accused of beatings, electric shocks, and forcing prisoners to strip.
Yousef Ajlan, a journalist who was imprisoned last year, shared his experiences behind bars with us.
Warning: some of the stories you are about to hear are graphic and may be disturbing to some viewers.
Al Jazeera’s Natasha Ghoneim reports.