Donald Trump wins New Hampshire primary as rematch with Biden seems likely

Former President Donald Trump and President Joe Biden won the New Hampshire primaries on Tuesday.

Trump secured his second straight victory in his quest for the 2024 GOP nomination after knocking out most of the field with a commanding win in Iowa. His GOP rival Nikki Haley, meanwhile, came up short in her effort to capitalize on her strength with independent and anti-Trump voters eager for a fresh voice to lead the party.

Biden prevailed even though he wasn’t on the ballot. His supporters mounted a write-in campaign on his behalf to avoid a loss, even though the contest awards no delegates because it violates the national party rules he pushed for.

Trump vs. Biden rematch appears likely

Following New Hampshire's primary results, Biden said it's clear that he will face off against his 2020 rival in 2024.

In a statement, Biden thanked those who wrote in his name for the Democratic primary and appealed to independent and Republican voters who reject Trump to support his campaign.

"My message to the country is the stakes could not be higher," Biden said. "Our Democracy. Our personal freedoms — from the right to choose to the right to vote. Our economy — which has seen the strongest recovery in the world since COVID. All are at stake."

Final New Hampshire Republican primary results

Donald Trump won the New Hampshire primary on Tuesday, tightening his grip on the Republican presidential nomination and bolstering the likelihood of a rematch later this year against President Joe Biden.

The result was a setback for former U.N. Ambassador Nikki Haley, who invested significant time and financial resources into winning the state. 

She was the last major challenger in the race after Florida Gov. Ron DeSantis ended his presidential bid over the weekend, allowing her to campaign as the sole alternative to Trump. Haley intensified her criticism of the former president, questioning his mental acuity and pitching herself as a unifying candidate who would usher in generational change.

By posting easy wins in both early states, Trump is demonstrating an ability to unite the GOP’s factions firmly behind him. He’s garnered support from the evangelical conservatives who are influential in Iowa and New Hampshire’s more moderate voters, strength he hopes to replicate as the primary quickly expands to the rest of the U.S.

RELATED: As Trump closes in on nomination, VP talks are swirling

Early New Hampshire Democratic primary results

As the last polls closed in New Hampshire, the FOX News Decision Desk projected that President Joe Biden will win the Democratic primary.

Due to a change in how the Democratic National Committee is counting its primary order, this year’s election in New Hampshire doesn’t garner any delegates for the Democratic candidate. 

And because of that, President Joe Biden isn’t even on the ballot. You can read more about that contention here

Biden's voters had to write his name in because of the new rules. 

He defeats rivals including Rep. Dean Phillips, the Minnesota congressman, who is likely to finish in double digits.

He entered the race calling for a "new generation of leaders."

This is a symbolic victory. Because of the same dispute, there are no delegates on the line tonight.

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FOX News and The Associated Press contributed to this report.