GOP lawmakers were quick to slam Donald Trump Donald John TrumpOmar fires back at Trump over rally remarks: 'This is my country' Pelosi: Trump hurrying to fill SCOTUS seat so he can repeal ObamaCare Trump mocks Biden appearance, mask use ahead of first debate MORE's refusal during Wednesday's debate to say he would accept the results of the presidential election.

Sens. Lindsey Graham Lindsey Olin GrahamSenate GOP aims to confirm Trump court pick by Oct. 29: report The Hill's Campaign Report: GOP set to ask SCOTUS to limit mail-in voting Senate GOP sees early Supreme Court vote as political booster shot MORE (R-S.C.) and Jeff Flake Jeffrey (Jeff) Lane FlakeJeff Flake: Republicans 'should hold the same position' on SCOTUS vacancy as 2016 Republican former Michigan governor says he's voting for Biden Maybe they just don't like cowboys: The president is successful, some just don't like his style MORE (R-Ariz.) both took to Twitter to scold Trump for his comments.

“.@realDonaldTrump saying that he might not accept election results is beyond the pale,” tweeted Flake.

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And Graham tweeted a statement saying that if Trump loses, he will have no one to blame but himself.

“Like most Americans, I have confidence in our democracy and election system. During the debate, Mr. Trump is doing the party and our country a great disservice by continuing to suggest the outcome of this election is out of his hands and ‘rigged’ against him,” he said. “If he loses, it will not be because the system is ‘rigged’ but because he failed as a candidate.”

Both Graham and Flake have repeatedly criticized Trump as a candidate, and neither supports him as the GOP nominee.

Trump said in this fall's first debate he would support Hillary Clinton Hillary Diane Rodham ClintonButtigieg stands in as Pence for Harris's debate practice Senate GOP sees early Supreme Court vote as political booster shot Poll: 51 percent of voters want to abolish the electoral college MORE if she won the election. But just a few weeks later, after Clinton’s lead over Trump grew wider, he said that was now an open question. At recent rallies, Trump has pushed the idea that the election could be rigged against him.

“I will look at it at the time. I'm not looking at anything now,” he said when asked whether he would honor the results.