Republican presidential nominee Donald 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 laid into Bernie Sanders Bernie SandersNYT editorial board remembers Ginsburg: She 'will forever have two legacies' Two GOP governors urge Republicans to hold off on Supreme Court nominee Sanders knocks McConnell: He's going against Ginsburg's 'dying wishes' MORE during an appearance on Fox News’s “Hannity” late Monday night.

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In an interview that aired shortly after Sanders wrapped up his prime-time address to the Democratic National Convention in Philadelphia, Trump accused the Vermont senator of losing his mojo.

“Bernie Sanders has lost his energy; he’s lost his drive. … I think he’s totally exhausted, but I think his supporters are not exhausted and his supporters are liking what I’m saying in terms of trade … and lots of other things,” Trump said.

“I think Bernie’s giving up, and, you know, the sad thing is if he didn’t give up he really would have left a legacy. But now … he did all that work for nothing.”

Trump also used the interview to attack presumptive Democratic presidential nominee Hillary Clinton Hillary Diane Rodham ClintonBiden leads Trump by 36 points nationally among Latinos: poll Democratic super PAC to hit Trump in battleground states over coronavirus deaths Battle lines drawn on precedent in Supreme Court fight MORE’s running mate, Virginia Sen. Tim Kaine Timothy (Tim) Michael KaineNames to watch as Trump picks Ginsburg replacement on Supreme Court Barrett seen as a front-runner for Trump Supreme Court pick Biden promises Democratic senators help in battleground states MORE, saying he’s “like the worst person she could have chosen.”

Trump said she could have done more to woo Sanders's supporters to her campaign.

“Bernie had all these votes, and now they’re going against her,” he said.

Tensions between Clinton and Sanders supporters were high throughout the day on Monday in Philadelphia.

Much of it centered on Democratic National Committee (DNC) Chairwoman Debbie Wasserman Schultz, who resigned on Sunday after WikiLeaks released emails showing that DNC officials sought to undermine Sanders's campaign during the primary.