Philippine President Rodrigo Duterte expressed regret Tuesday that his comments branding US leader Barack Obama a "son of a whore" came across as a personal attack.
The insult on Monday was the latest offensive comment to raise questions about Duterte's diplomatic skills, leading Obama to cancel a planned meeting with him at a regional summit in Laos.
Here are 10 of his most undiplomatic remarks from before and after his landslide election victory this year:
- Respect me, son of a whore -
"You must be respectful. Do not just throw away questions and statements. Son of a whore, I will curse you in that forum."
Duterte, who has launched a war on crime that has claimed more than 2,400 lives, warns Obama not to raise human rights issues with him in Laos.
- 'Gay' envoy -
"I'm fighting with (US Secretary of State John Kerry's) ambassador. His gay ambassador, the son of a whore. He pissed me off."
-- Duterte in an August speech smarting over US Ambassador to Manila Philip Goldberg's criticism of his comment about wanting to rape a "beautiful" Australian missionary.
- 'Fuck you, UN' -
"Fuck you, UN, you can't even solve the Middle East carnage... couldn't even lift a finger in Africa... shut up, all of you."
-- Duterte in a June press conference, a seemingly unprovoked attack on the world body.
- UN pullout -
"Maybe we’ll just have to decide to separate from the United Nations. If you are that disrespectful, son of a whore, then I will just leave you."
-- Duterte in an August news briefing after a UN human rights expert said orders in his anti-crime crackdown violated international law. He later said he was just joking.
- 'Inutile' Ban -
"Ban Ki-moon, he should write to me so that I will tell him: 'You did nothing. People are being massacred by the thousands. You can't stop (the war) in Turkey, Syria.' So one useless, inutile body."
-- Duterte in an August press conference railing against the UN chief after Ban denounced his apparent endorsement of extrajudicial killings.
- Jet ski policy -
"I will go there on my own with a jet ski, bringing with me a flag and a pole and once I disembark, I will plant the flag on the runway and tell the Chinese authorities, 'Kill me!'"
-- Duterte in a February campaign speech explaining how he would handle Manila's row with Beijing over the South China Sea. He has since adopted a more cautious tone.
- Suicide, genocide, upside -
"That's the invention of a woman who wants to commit suicide. You can think of genocide, suicide or what, side by side, upper side, whatever, what if upper side or even upside?"
-- Duterte launches a rambling verbal assault on Agnes Callamard, the UN special rapporteur on summary executions, after she accused him of violating international law with his statements seen as inciting people to kill.
- Burning Singapore flag -
"I burned the flag of Singapore. I said: 'Fuck you ... You are a garrison pretending to be a country.'"
-- Duterte in a November speech, recalling how in 1995 he burned a Singapore flag to protest at the execution of a Filipina maid in the city-state.
- Arab culture -
"You are not a warrior if you do that. We are not Arabs. That is not our culture. We are all Malay."
-- Duterte in an August speech condemning how Philippine Islamic militants supposedly mutilated the bodies of slain soldiers.
- Pope, go home -
"It took us five hours to get from the hotel to the airport. I asked who was coming. They said it was the Pope. I wanted to call him: 'Pope, son of a whore, go home. Don't visit anymore.'"
-- Duterte in a November 2015 speech recalling being stuck in Manila traffic when Pope Francis visited the Philippines.