Former Philippine President Rodrigo Duterte said he takes full responsibility for his administration's "war on drugs", in a video message posted on his Facebook account, as he braces for a legal battle at the International Criminal Court.

Nearly a decade ago, the Philippine drug war raged, and desperate people tried to avoid former President Rodrigo Duterte's deadly crackdown.

Rodrigo Duterte has been charged with murder for his role in the deadly ’war on drugs,’ which resulted in the deaths of thousands of suspected drug dealers and users.