Burundi's Torture Houses

In 2015 there was widespread unrest in the East African country of Burundi when the country's president ran for a third term. Protestors said he was violating the constitution that limits presidential terms to just two. Since then street protests have ended, but a BBC investigation has now uncovered evidence of government-sponsored torture and killings designed to silence dissent.

This programme contains images and descriptions from the start which some people may find disturbing.