Donald Trump Donald John TrumpBiden leads Trump by 36 points nationally among Latinos: poll Trump dismisses climate change role in fires, says Newsom needs to manage forest better Jimmy Kimmel hits Trump for rallies while hosting Emmy Awards MORE is reportedly delaying a speech on immigration that was set for later this week amid new questions over his position on the issue.

The GOP presidential nominee is slated to attend a fundraiser in Colorado on Thursday but won't be making his previously scheduled speech on immigration, a spokeswoman for his campaign in the state told the Denver Post.

Trump's campaign was looking into a location in Denver for the event but told supporters later by email that the speech he was "planning on giving is still being modified," the Post said.

ABC News reported that Trump was delaying his speech "for a few days." CNN also reported that the campaign wanted to work on the language of the address.

Sources confirm to @ABC Trump delaying his immigration speech for a few days. Trip to CO still happens Thursday but likely just fundraising — John Santucci (@JTSantucci) August 22, 2016

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Trump was expected to give the immigration policy speech on Thursday in Colorado, according to multiple reports, including from Univision and The Washington Post

Trump denied early Monday on Fox News that he was "flip-flopping" on his immigration proposals calling for the deportation of 11 million people who are in the U.S. illegally. A BuzzFeed report from Saturday suggested that he was changing his stance on the issue after a meeting with Hispanic leaders, but his allies quickly pushed back on the story.

"We want to come up with a really fair but firm answer. It has to be very firm," he said. "But we want to come up with something fair."

Trump's new campaign manager, Kellyanne Conway, the previous day also declined to say whether Trump still backs a deportation force to remove the millions already in the U.S. "What he supports is to make sure that we enforce the law, that we are respectful of those Americans who are looking for well-paying jobs, and that we are fair and humane for those who live among us in this country," she said on CNN's "State of the Union." "What he supports is to make sure that we enforce the law, that we are respectful of those Americans who are looking for well-paying jobs, and that we are fair and humane for those who live among us in this country," she said on CNN's "State of the Union."

Colorado, traditionally a swing state, includes a significant number of Hispanic voters. They represent roughly 15 percent of voters in the state, the seventh largest percentage of Hispanics in the country, according to the Pew Research Center.

Clinton has held a double-digit lead over Trump in four recent consecutive polls in the state.

Trump has delivered several carefully scripted speeches in the past two weeks as he looks to regain his footing in the race.