RNC chairman to Trump: 'Give us all a break'
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Republican National Committee (RNC) chairman Reince Priebus late Tuesday pushed back at criticism from GOP front-runner Donald TrumpDonald TrumpTrump defends indicted GOP congressman House to vote Thursday on holding Bannon in contempt Youngkin calls for investigation into Loudoun County School Board amid sexual assault allegations MORE that the primary process is unfair.

"Nomination process known for a year + beyond. It's the responsibility of the campaigns to understand it. Complaints now? Give us all a break," Priebus tweeted.

It is the second time in as many days that the RNC chairman has taken to Twitter to push back on Trump, tweeting late Monday that "the rules were set last year. Nothing mysterious --nothing new."

His latest remarks came after Trump claimed during a town hall Tuesday night on CNN that he didn't think the RNC wanted him to secure the nomination, blasting the "very unfair" nomination process.

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"I know the rules very well, but I know it's stacked against me by the establishment," Trump said during the town hall in New York ahead of the state's primary next week.

In an exclusive interview with The Hill earlier in the day on Tuesday, Trump blasted the party system for selecting a nominee as a "scam" and a "disgrace," adding, "Reince Priebus should be ashamed of himself."

Trump has lashed out for days after rival Ted CruzRafael (Ted) Edward CruzOvernight Health Care — Presented by Carequest — Colin Powell's death highlights risks for immunocompromised The Senate confirmation process is broken — Senate Democrats can fix it Australian politician on Cruz, vaccines: 'We don't need your lectures, thanks mate' MORE swept all 34 delegates last week in Colorado. Republican Party officials in August said they were scrapping Colorado's presidential preference poll for a more complex system of precinct-level caucuses leading up to the state convention.