Trump fears election could be 'rigged'
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Republican nominee Donald TrumpDonald John TrumpPentagon update to missile defense doctrine will explore space-base technologies, lasers to counter threats Giuliani: 'I never said there was no collusion' between the Trump campaign and Russia Former congressmen, RNC members appointed to Trump administration roles MORE on Monday raised the prospect of the presidential election being “rigged” against him. 

"I'm afraid the election is going to be rigged, I'm going to be honest," Trump told a crowd at an event in Columbus, Ohio. 

"I think my side was rigged. If I didn't win by massive landslides — think about what we won in New York, Indiana, California, 78 percent; that's with other people in the race."

Trump made similar complaints about a “rigged” process during the Republican primaries.

Over the weekend, the businessman criticized the schedule for the presidential debates. He has complained that two of the three debates are being held at the same time as NFL games and in a tweet suggested the schedule was being set by Democratic nominee Hillary ClintonHillary Diane Rodham ClintonTexas man indicted over allegations he created fraudulent campaign PACs FISA shocker: DOJ official warned Steele dossier was connected to Clinton, might be biased Pompeo’s Cairo speech more ‘back to the future’ than break with past MORE and her allies to distract attention from them.

The schedule for the debates was set last year by the Commission on Presidential Debates. That group, which is nonpartisan, said in a statement Sunday that the debate schedule will '"serve the American public well."

Republican National Committee Chairman Reince Priebus on Sunday backed Trump's criticism of the schedule. 

"We're not going to be having debates on Saturday and Sunday night," he said.