A series of questions on the war in Ukraine drew heated comments from multiple candidates onstage at Wednesday's Republican presidential primary debate and led to a tense exchange between Vivek Ramaswamy and former U.S. Ambassador to the United Nations Nikki Haley.

Ramaswamy, pressed on if he supported additional funding for Ukraine as requested by President Joe Biden, said he was "absolutely unpersuaded" by pleas for aid from Ukrainian President Volodymyr Zelensky.

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"Ukraine is not a paragon of democracy," he responded. "This is a country that has banned 11 opposition parties. It has consolidated all media into one state TV media arm. That's not democratic. It has threatened not to hold elections this year unless the U.S. forks over more money."

Ramaswamy proceeded to attack Zelensky as "a comedian in cargo pants" and all but insinuated the Ukrainian president, who is Jewish, is a "Nazi."

"Those are the hard facts," he claimed. "Some have framed this as some kind of battle between good versus evil. Don't buy it."

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Following Ramaswamy's retort, Haley claimed that his stance on Ukraine in particular was appealing to both Russia and China.

"[Vladimir] Putin and President Xi [Jinping] are salivating at the thought that someone like that could become president," she said.