Some of the Philippine president's memorable broadsides

Philippine President Rodrigo Duterte's warning to President Barack Obama on Monday not to question him about extrajudicial killings, or "son of a bitch I will swear at you" when they meet in Laos during a regional summit, is the latest irreverent utterance from a politician who has disparaged the pope and others who controvert his worldview.

At a news conference in August regarding remarks by U.N.-appointed rapporteurs about drug-related killings.

To army troops last month after receiving U.S. financial assistance for law enforcement training.

Joking at a campaign event in April about the gang rape and killing of an Australian missionary by inmates in a 1989 jail siege in the Philippine city of Davao while Duterte was mayor there.

Duterte apologized after bishops condemned his language.