Clinton up 12 points in national poll
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Hillary ClintonHillary Diane Rodham ClintonOmar endorses progressive Georgia Democrat running for House seat Bernie Sanders's Super Tuesday problem Democrats worried about Trump's growing strength MORE has pulled out to a 12-point lead over likely general election rival Donald TrumpDonald John TrumpCensus Bureau spends millions on ad campaign to mitigate fears on excluded citizenship question Bloomberg campaign: Primary is two-way race with Sanders Democratic senator meets with Iranian foreign minister MORE in a new poll.

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The ABC News/Washington Post poll released early Sunday shows Clinton with 51 percent support among likely voters, compared to Trump’s 39 percent.

In May, Trump, the presumptive GOP presidential nominee, held a 2-point lead over Clinton, the presumptive Democratic nominee, in the same poll, 46 to 44 percent.

Clinton has a 10-point lead in the new poll when third-party candidates are added to the equation. She has 47 percent support in that scenario, Trump has 37 percent, Libertarian Party nominee Gary JohnsonGary Earl JohnsonWeld bets on New Hampshire to fuel long shot bid against Trump The 'Green' new deal that Tom Perez needs to make The Trump strategy: Dare the Democrats to win MORE has 7 percent and the Green Party’s Jill Stein has 3 percent.

Pollsters also found that 66 percent of registered voters think Trump is unfairly biased against groups such as women, minorities and Muslims. Sixty-eight percent think Trump’s comments about the heritage of the judge overseeing lawsuits against Trump University were racist.

A majority of voters, 56 percent, also disapproves of Clinton’s handling of her email while secretary of State.

The poll of 836 registered voters, conducted between June 20 and 23, has a margin of error of 4 percentage points.

The race for the White House is much closer, however, according to an NBC News/Wall Street Journal poll also released Sunday morning. Clinton has a 5-point lead over Trump in that survey. 

— This report was updated at 10:50 a.m.