Republican presidential front-runner Donald TrumpDonald John TrumpPaul Ryan defends Navy admiral after Trump's criticism Trump discussing visit overseas to troops following criticism: report Retired Army General: Trump is ‘acting like an 8th grader’ in attacking ex-Navy SEAL who led bin Laden operation MORE late Wednesday highlighted a "big protest march" in Colorado on Friday after he was shut out of delegates in the state.

Trump fired off several tweets, claiming that "over one million people have been precluded from voting" and that party rules were designed to hurt his campaign.

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Asked in an interview aired Thursday morning on "Fox and Friends" if he thought the state intentionally announced the change after he declared his bid, Trump responded, "I think so, yeah, I think so, because they saw that I do very well in Colorado, so I think so."

Party officials have been pushing back for days against Trump's claims, noting that rival Ted CruzRafael (Ted) Edward CruzDem bundler: Donors waiting on 2020 commitments until Beto O'Rourke makes decision The Hill's Morning Report — GOP victorious in Florida while Dems say `Sunbelt strategy’ looks bright for 2020 Dem gains put Sunbelt in play for 2020 MORE simply took advantage of the delegate selection process after the state announced last August that it was scrapping its preference poll for local caucus-type meetings leading up to a state convention.

Cruz took all 34 delegates up for grabs in the state, where the Trump campaign did not have a robust organization to secure support. Trump has lashed out for days against the results, and the state Republican Party chairman indicated he's been getting death threats over the outcome.

A few hundred people have indicated online they plan to "peacefully assemble" outside the state Capitol on Friday to protest.

Trump's schedule has him traveling to Connecticut on Friday after campaigning in New York ahead of the state's Tuesday primary. He'll have a rally in Syracuse, N.Y., on Saturday.