Hillary Clinton: Biden 'should not concede under any circumstances'

Former Secretary of State Hillary ClintonHillary Diane Rodham ClintonWhat Senate Republicans have said about election-year Supreme Court vacancies Bipartisan praise pours in after Ginsburg's death Trump carries on with rally, unaware of Ginsburg's death MORE said in a new interview that Democratic presidential nominee Joe BidenJoe BidenSenate Republicans face tough decision on replacing Ginsburg What Senate Republicans have said about election-year Supreme Court vacancies Biden says Ginsburg successor should be picked by candidate who wins on Nov. 3 MORE "should not concede under any circumstances" because she believes the final results in November's election are "going to drag out" due to mail-in voting.

"Joe Biden should not concede under any circumstances because I think this is going to drag out, and eventually, I do believe he will win if we don't give an inch and if we are as focused and relentless as the other side is," Clinton told former aide Jennifer Palmieri on Showtime's "The Circus."

"I think that [Republicans] have a couple of scenarios that they are looking toward. One is messing up absentee balloting. They believe that helps them so that they then get maybe a narrow advantage in the Electoral College on Election Day," Clinton, the 2016 Democratic nominee, alleged. "So we've got to have a massive legal operation, and I know the Biden campaign is working on that."

In a surprise appearance at the Republican National Convention on Monday, President TrumpDonald John TrumpObama calls on Senate not to fill Ginsburg's vacancy until after election Planned Parenthood: 'The fate of our rights' depends on Ginsburg replacement Progressive group to spend M in ad campaign on Supreme Court vacancy MORE told delegates that expansion of access to mail-in voting was politically driven.

"What they’re doing is using COVID to steal an election," Trump argued. "They’re using COVID to defraud the American people, all of our people, of a fair and free election. We can’t do that."

Many political observers have said it is unlikely a winner will be able to be declared on Election Day due to the delays that come with mail-in voting.