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.

Former Philippine President Rodrigo Duterte is now in the custody of the International Criminal Court following his arrest in Manila in connection with his deadly war on drugs during his presidency, the ICC confirmed Wednesday.

THE HAGUE, Netherlands (AP) — Philippine ex-President Rodrigo Duterte landed Wednesday in the Netherlands a day after he was arrested in Manila on an International Criminal Court warrant accusing him of crimes against humanity over deadly anti-drugs crackdowns he oversaw while in office.