Republican Sen. Pat Toomey Patrick (Pat) Joseph ToomeyAppeals court rules NSA's bulk phone data collection illegal Dunford withdraws from consideration to chair coronavirus oversight panel GOP senators push for quick, partial reopening of economy MORE (Pa.) said recent revelations about Ukraine show that President Trump Donald John TrumpFederal prosecutor speaks out, says Barr 'has brought shame' on Justice Dept. Former Pence aide: White House staffers discussed Trump refusing to leave office Progressive group buys domain name of Trump's No. 1 Supreme Court pick MORE has made "errors of judgment" but he does not believe the president's conduct has been impeachable.

“None of it has changed my fundamental view on this,” Toomey told The Philadelphia Inquirer on Wednesday.

"I think there needs to be a very high bar for removing a president from office. It has never happened in the history of the republic, and I think this president has made errors of judgment and he has said and done things that I don’t agree with, but I have yet to see something in my mind as a high crime or misdemeanor that warrants overturning the results of the last election,” he said.

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The newspaper reported that Toomey promised to be an “independent voice,” while working to win votes for himself in 2016 in the swing state.

The senator told the Inquirer that he has pushed back against Trump on trade, particularly his deal with Mexico and Canada.

“When it comes to being willing to publicly disagree with the president on policy and push back, there are very few Republican senators who have done as much as I have,” Toomey said. “People, I know, choose for their own purposes to ignore these things, but it doesn’t mean they don’t exist.”

He added that his independence “could never meaningfully be defined” by just one vote, even on something like impeachment.

Toomey will be up for reelection in 2022.

House Democrats launched an impeachment inquiry into President Trump after revelations that he encouraged Ukraine to investigate Democratic presidential candidate Joe Biden Joe BidenFormer Pence aide: White House staffers discussed Trump refusing to leave office Progressive group buys domain name of Trump's No. 1 Supreme Court pick Bloomberg rolls out M ad buy to boost Biden in Florida MORE.

Trump has denied wrongdoing and Republicans have largely defended him.