Donald TrumpDonald John TrumpO’Malley tells Dems not to fear Trump Right way and wrong way Five things to know about the elephant trophies controversy MORE's running mate says the Republican nominee is right to worry about voter fraud potentially upending the presidential election.

“Make no mistake about it, there are many instances in our lifetimes of voter fraud in individual polling places and in certain jurisdictions,” Mike PenceMichael (Mike) Richard PenceSome WH aides anxious over Russia probe despite reassurances from Trump lawyer: report Paul Krugman unwittingly fulfills fiscal fantasies for Republicans Ex-Pence aide on Rosie: She promised to leave US if Trump won and she's still here MORE said Friday on “CBS This Morning.”

“Donald Trump and I are just calling on people to respectfully participate in the electoral process. We want a victory on Election Day, but we also want it to be a victory for American democracy.”

Pence dismissed critics who say Trump’s rhetoric may encourage violence by his supporters if he loses.

“We certainly would denounce any calls for anything other people being vigorously involved in the electoral process,” he said.

“I have to tell you, I really don’t see it. The people that rallying around our team, rallying around our cause, love this country, are passionate about this country and are anxious to see change.”

The GOP vice presidential nominee echoed Trump's claims that the media is trying to help Democratic nominee Hillary ClintonHillary Diane Rodham ClintonO’Malley tells Dems not to fear Trump FBI informant gathered years of evidence on Russian push for US nuclear fuel deals, including Uranium One, memos show Pelosi blasts California Republicans for supporting tax bill MORE.

“The level of negative coverage about my running mate in many quarters in the national media has just been overwhelming compared to any negative coverage or frankly the avalanche of scandals coming out of Hillary Clinton’s years as secretary of State,” Pence said.

Trump has frequently suggested both the election process and the media are “rigged” against him.

Clinton and her surrogates have denounced the billionaire’s remarks as undermining American democratic values.