Duterte was elected by a landslide in 2016 largely on a pledge to kill tens of thousands of criminals, and has presided over a narcotics crackdown that rights monitors describe as amounting to crimes against humanity. Foreign Secretary Alan Peter Cayetano told the council on Tuesday Manila was ready to cooperate, but called for fairness.
"Send anyone except one who has already prejudged us, and who, by any measure, cannot be considered independent and objective," Cayetano added. "Let us in this regard take to heart our Secretary-General's warning yesterday not to politicise - may I even say weaponise - human rights," Cayetano said.
Philippine police said they have killed 4,021 drug suspects who resisted arrest, while human rights groups estimate more than 12,000 deaths in all, including people murdered by shadowy vigilantes. Cayetano said some non-government civil rights monitors he did not name had unjustly portrayed the Philippines and "politicised and weaponised the issue for their own gain".