Sen. Joni Ernst Joni Kay ErnstSenators offer disaster tax relief bill Conservatives see glaring omission on Trump's Supreme Court shortlist Senate Republicans scramble to contain fallout from Woodward bombshell MORE (R-Iowa) told Bloomberg on Sunday that the House’s impeachment of President Trump Donald John TrumpBarr criticizes DOJ in speech declaring all agency power 'is invested in the attorney general' Military leaders asked about using heat ray on protesters outside White House: report Powell warns failure to reach COVID-19 deal could 'scar and damage' economy MORE had opened the door to impeaching former Vice President Joe Biden Joe BidenThe Memo: Warning signs flash for Trump on debates Senate Republicans signal openness to working with Biden National postal mail handlers union endorses Biden MORE should he be elected president in 2020.

“I think this door of impeachable whatever has been opened,” Ernst said in the interview. “Joe Biden should be very careful what he’s asking for because, you know, we can have a situation where if it should ever be President Biden, that immediately, people, right the day after he would be elected would be saying, ‘Well, we’re going to impeach him.’”

Ernst said the former vice president could be impeached “for being assigned to take on Ukrainian corruption yet turning a blind eye to Burisma because his son was on the board making over a million dollars a year.”

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Joe Biden spearheaded the push to remove Ukrainian Prosecutor General Viktor Shokin, who was eventually fired in 2016 with bipartisan support.

Shokin has since claimed he was fired for investigating Burisma, the natural gas company on whose board Joe Biden’s son Hunter Biden sat, but the investigation involved dealings prior to Hunter Biden joining the board in 2014, and at the time of Shokin's resignation, the investigation into the company was dormant, according to documents provided to Bloomberg by Shokin's deputy.

Ernst’s comments came shortly after she suggested during the Senate’s impeachment trial that the focus on Biden during the trial could hurt him in the Iowa caucuses, which Biden seized on, saying in numerous speeches that she had “spilled the beans” about Republicans’ intentions.

“You can ruin Donald Trump’s night by caucusing with me and ruin Joni Ernst’s night as well,” he said on the stump last week, according to the publication.