Republican presumptive nominee Donald Trump Donald John TrumpUS reimposes UN sanctions on Iran amid increasing tensions Jeff Flake: Republicans 'should hold the same position' on SCOTUS vacancy as 2016 Trump supporters chant 'Fill that seat' at North Carolina rally MORE blasted his party’s leaders on Wednesday, saying they are holding him back and that he might have to “do it alone.”

ADVERTISEMENT

“You know the Republicans — honestly folks, our leaders have to get tougher,” he said at a rally in Atlanta. “This is too tough to do it alone, but you know what I think I’m going to be forced to.”

“Our leaders have to get a lot tougher,” he continued. “And be quiet. Just please be quiet. Don’t talk. Please be quiet. Just be quiet to the leaders because they have to get tougher, they have to get sharper, they have to get smarter. We have to have our Republicans either stick together or let me just do it by myself.”

Trump's comments come amid signs that GOP leaders are increasingly worried about being tied to his campaign.

Senate GOP Leader Mitch McConnell Addison (Mitch) Mitchell McConnellMomentum growing among Republicans for Supreme Court vote before Election Day Trump expects to nominate woman to replace Ginsburg next week Video of Lindsey Graham arguing against nominating a Supreme Court justice in an election year goes viral MORE (R-Ky.) on Tuesday declined to answer questions about Trump, while his lieutenant, Sen. John Cornyn John CornynCalls grow for Biden to expand election map in final sprint Bipartisan praise pours in after Ginsburg's death Chamber of Commerce endorses McSally for reelection MORE (R-Texas), said he would seek to avoid answering questions about the GOP's presumptive nominee until after Election Day.

In the House, Speaker Paul Ryan Paul Davis RyanKenosha will be a good bellwether in 2020 At indoor rally, Pence says election runs through Wisconsin Juan Williams: Breaking down the debates MORE (R-Wis.) was hit with questions about Trump at his press availability on Tuesday and at a later event. He repeated his opposition to Trump's call for a ban on Muslim immigration.

A Bloomberg poll shows Trump trailing presumptive Democratic presidential nominee Hillary Clinton Hillary Diane Rodham ClintonJeff Flake: Republicans 'should hold the same position' on SCOTUS vacancy as 2016 Momentum growing among Republicans for Supreme Court vote before Election Day Warning signs flash for Lindsey Graham in South Carolina MORE by 12 points, underlining Republican concerns.

The likely GOP nominee has been condemned by many in his party for his response to the Orlando shooting. Trump vowed this week to stand by his proposal to temporarily ban Muslims from entering the country and even suggested that President Obama was sympathetic to terrorists.