Duterte has denied ordering killings, either as president or mayor.

Isolated North Korea has a long history of ordering killings of people it views as threats to its regime.

On Monday, the court in Dakar, Senegal also convicted Habré of rape, sexual slavery and ordering killings while in power.

Brazilian police say the host of a TV crime show is under investigation for possibly ordering killings to boost his show's popularity.

A Brazilian TV presenter accused of ordering killings to boost his programme's ratings has turned himself in to police after going on the run.