Donald Trump has decisively edged out Hillary Clinton in Nevada and the key battleground states of Florida and Ohio, according to new polls released Wednesday, as concerns mount about whether the Democratic presidential nominee is fit to lead the country in the wake of her collapse at the 9/11 memorial service in New York City.

With eight weeks to go before the election, Trump now leads Clinton by 6 points nationally, according to the USC/Los Angeles Times "Daybreak" poll, the only daily national tracking poll.

Trump's national lead has expanded by 3 points since Tuesday, as WND reported.

Elections analyst Nate Silver wrote on Twitter he sees "echoes of Brexit here" in describing the latest polls.

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"Trump has a 1 in 3 chance of winning the election. It's highly competitive, folks," said Silver.

Silver has upped Trump's odds of winning to 34.4 percent in his FiveThirtyEight site's polls-only forecast.

"Whether or not the race will continue to tighten is a guessing game … but the trend toward Trump has been clear for a few weeks now," wrote Silver on his FiveThirtyEight blog.

In Florida, the latest poll from CNN and the Opinion Research Corporation shows Trump's lead over Clinton growing with 47 percent of likely voters, compared to her 44 percent – though the 3-point difference fell within the margin of error. The poll was conducted Sept. 7-12.

In Ohio, the divide is even larger, with the Republican nominee up by 5 points in a new Bloomberg Politics poll.

In a head-to-head matchup between Clinton and Trump, he leads 48 percent to 43 percent.

The margin remained the same when third-party candidates were added. Trump had 44 percent, Clinton 39 percent, Libertarian Gary Johnson 10 percent and Green Party candidate Jill Stein 3 percent.

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And the race is now deadlocked in the swing state of Virginia, where Clinton led by double digits earlier this summer. Clinton is ahead of Trump by 3 points among likely voters in the state. The survey by the University of Mary Washington’s Center for Leadership and Media Studies, found 40 percent of Virginia's likely voters support Clinton, compared to 37 percent who back Trump.

Trump has opened up an 8-point lead over Clinton in Iowa, according to a new Monmouth University survey released Thursday.

Trump has 45 percent support to Clinton's 37 percent, and he has improved among independent voters, leading Clinton 44 percent to 29 percent.

In Nevada, Trump has a 2-point lead over Clinton — within the margin of error — in a new Monmouth University poll released Wednesday.

The Monmouth poll was conducted Sept. 11-13, following Clinton's latest health woes. In July, Clinton was ahead of Trump by 4 points in the state.

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Trump is now virtually tied with Clinton in the national New York Times/CBS News poll published Thursday.

Clinton has just a 2-point edge over in a two-way match-up among likely voters. The race is tied when third party candidates are included. Clinton gained more among the broader electorate of registered voters, leading by five points.

Multiple recent polls have shown a closer fight between Clinton and Trump at both the national and state levels amid more scandals for the beleaguered Democratic nominee.

Clinton characterized “half” of Trump's supporters as “deplorable” Friday, and on Sunday she collapsed while abruptly departing the 9/11 memorial service due to "pneumonia," according to her campaign.

Her doctor admitted Wednesday she has suffered from “fever,” “dizziness” and respiratory issues in recent weeks.

Clinton rejoins the campaign trail Thursday in North Carolina after recuperating at home. Donald Trump heads to New Hampshire after delivering an economic speech in New York.