Former New Jersey Gov. Chris Christie (R) says in a new interview that President Trump Donald John TrumpBiden leads Trump by 36 points nationally among Latinos: poll Trump dismisses climate change role in fires, says Newsom needs to manage forest better Jimmy Kimmel hits Trump for rallies while hosting Emmy Awards MORE might target Republican senators who buck party leadership and vote for additional witnesses in the Senate impeachment trial for primary challenges.

In an interview with ABC News, Christie said he could "definitely" see the president at least encouraging primary challengers if not seeking them out himself.

"You could very well see the president encouraging or creating primaries against senators that are up this year if they went and voted the other way," Christie said Thursday.

ADVERTISEMENT

"I could definitely see him at least attempting to do that," he continued.

Chris Christie: "You could very well see the president encouraging or creating primaries against senators that are up this year" if they vote against him on question of witnesses. https://t.co/T1f9qedcWT pic.twitter.com/MyPSgsNr5E — ABC News (@ABC) January 30, 2020

Trump has remained vocally opposed to the prospect of former national security adviser John Bolton John BoltonDiplomacy with China is good for America The Hill's Morning Report - Sponsored by The Air Line Pilots Association - Pence lauds Harris as 'experienced debater'; Trump, Biden diverge over debate prep DOJ launches probe into Bolton book for possible classified information disclosures MORE or other key witnesses testifying in the ongoing impeachment trial.

Some moderate Republican senators such as Sen. Mitt Romney Willard (Mitt) Mitt RomneyGOP set to release controversial Biden report McConnell locks down key GOP votes in Supreme Court fight Will Republicans' rank hypocrisy hinder their rush to replace Ginsburg? MORE (Utah) have signaled that they are open to calling new witnesses to testify.

Bolton in particular is seen by Democrats as a top witness due to recent reports of claims made in his upcoming book. According to the unpublished manuscript, Bolton claims that Trump made clear that nearly $400 million in aid to Ukraine would be released pending Ukraine's president launching of criminal investigations into Trump's political rivals.

ADVERTISEMENT

Democrats including Speaker Nancy Pelosi Nancy PelosiAs families deal with coronavirus, new federal dollars should follow the student Sunday shows - Ruth Bader Ginsburg's death dominates Hypocrisy rules on both sides over replacing Justice Ginsburg MORE (D-Calif.) have argued that the president will not receive a fair trial unless additional witnesses are considered.

"You cannot be acquitted if you don’t have a trial. You don’t have a trial if you don’t have witnesses and documentation," she tweeted Thursday afternoon. "If Republican Senators choose a cover-up, the American people and history will judge it with the harshness it deserves."

You cannot be acquitted if you don’t have a trial. You don’t have a trial if you don’t have witnesses and documentation.



If Republican Senators choose a cover-up, the American people and history will judge it with the harshness it deserves. — Nancy Pelosi (@SpeakerPelosi) January 30, 2020

Senate Republicans are planning on a vote to call witnesses that will take place on Friday after the Senate has heard the closing arguments from both the House managers and Trump's defense.