Indiana Gov. Mike PenceMichael (Mike) Richard PenceIndiana sisters with history of opposing Pence donate millions to Dems Hillicon Valley: Trump signs off on sanctions for election meddlers | Russian hacker pleads guilty over botnet | Reddit bans QAnon forum | FCC delays review of T-Mobile, Sprint merger | EU approves controversial copyright law Overnight Defense: Trump marks 9/11 anniversary | Mattis says Assad 'has been warned' on chemical weapons | US identifies first remains of returned Korean war troops MORE (R) said Gennifer Flowers, a woman with whom former President Bill ClintonWilliam (Bill) Jefferson ClintonSexual assault is not a game — stop using women to score political points Trump, GOP regain edge in Kavanaugh battle Presidential approval: It's the economy; except when it's not MORE had an extramarital affair, won't be attending the presidential debate on Monday night.

She "will not be attending the debate tomorrow night," the GOP vice presidential nominee said on "Fox News Sunday."

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Pence, Republican presidential nominee Donald TrumpDonald John TrumpGrassley: Dems 'withheld information' on new Kavanaugh allegation Health advocates decry funding transfer over migrant children Groups plan mass walkout in support of Kavanaugh accuser MORE's running mate, attempted to draw a clear contrast between the policies of Trump and those of Democratic presidential nominee Hillary ClintonHillary Diane Rodham ClintonGraham: There's a 'bureaucratic coup' taking place against Trump Fox News poll shows Dems with edge ahead of midterms Poll: Democrats in position to retake the House MORE.

"Hillary Clinton apparently thinks this is an episode of 'Shark Tank,' but this is America," Pence said.
 
"It's serious business."

Pence said Trump's tweet about bringing Flowers to the debate was "really mocking the fact that Hillary Clinton was trying to distract attention away from this moment in our national life where the American people are going to see a strong contrast between" both candidates.

Trump tweeted on Saturday that if "dopey Mark Cuban of failed Benefactor fame wants to sit in the front row, perhaps I will put Gennifer Flowers right alongside of him!"

Bill Clinton testified under oath in 1998 saying that he had a sexual affair with Flowers.

Trump was responding to billionaire Cuban, who last week said he accepted an invitation from Clinton to sit in the front row at Monday's debate.

Flowers appeared to accept Trump's invitation on Saturday.

"Hi Donald. You know I'm in your corner and will definitely be at the debate!..." she tweeted.

— This report was updated at 9:26 a.m.