The president's comments were in response to the UN's remarks over human rights violations.
Leila de Lima claimed Duterte's fixation on her is in relation to a probe into the Davao Death Squad.
It follows speculation after she did not attend her father Rodrigo's state of the nation address.
Duterte accused the UN of interfering in Philippines' internal affairs.
Rodrigo Duterte believes making 'noise' during Asean summit could endanger chances of bilateral talks with China.
Duterte said the Philippines would 'really be miserable' had he not become the president.
Divisive Philippine President's comments were labelled 'inappropriate and unacceptable' by Washington.
Abu Sayyaf militants are famous for kidnappings and bombings, having recently beheaded two Canadians.
Duterte's response comes after Supreme Court chief justice criticised his aggressive campaign.
Retired judge to carry out probe into President Rodrigo Duterte's allegations.
The controversial leader ordered the senior officials to hand themselves in.
Photo of couple went viral but leader determined to stamp out trade. 770 people killed in police operations.
Civil society calls on UN drug control agencies to publicly condemn the atrocities in Philippines.
Quezon City Jail was built six decades ago to house 800 prisoners. It now accommodates 3,800 men.
Duterte says he would rather forgo revenue than let the environment be ruined.
Hundreds of Filipinos have been murdered by vigilante groups targeting alleged drug 'pushers'.
Philippine National Police chief vows to obey the country's commander-in-chief.
The website was offline for roughly 10 hours following threats to the publication
New President Rodrigo Duterte gives police and vigilantes green light to wage unprecedented war on drugs.
Liu Xiaoming's comments come as China and Philippines get set to discuss maritime dispute.
Beijing says the only way forward is for bilateral and friendly dialgoue.
Sworn-in head of state nicknamed 'Duterte Harry' vows 'relentless and sustained' attack on drugs and alcohol.