Ukrainian President Volodymyr Zelenskyy told President Donald Trump that promises of peace from Russian President Vladimir Putin can't be trusted, noting the Russian leader's history of broken promises. Trump said Putin hasn't broken agreements with him.
READ MORE: Trump's talks with Zelenskyy cut short after Oval Office confrontation
"You've got to be more thankful," Trump told Zelenskyy. He said the Ukrainian leader is "gambling with World War III."
Trump chided Zelenskyy after Vice President JD Vance, one of the administration's most skeptical voices on Ukraine, said Zelenskyy was being disrespectful for debating Trump in the Oval Office in front of the American media.
"Have you said 'thank you' once?" Vance asked Zelenskyy.