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Highlights and analysis from Election Day 2020

Presidential election results as ballots are counted in key swing states for President Trump and Joe Biden. Get live coverage and electoral vote updates.
Watch NBC News special election coverage
Watch NBC News special election coverage

Election Day is over, with polls having closed across the country and officials processing both in-person and mail-in ballots.

As Tuesday bled into Wednesday, President Donald Trump and Joe Biden were running a tight race. Trump was projected to win some key battleground states such as Florida, Ohio and Texas, while Biden was projected to win New Hampshire and Minnesota. Meanwhile, election officials in three other key states, Pennsylvania, Michigan and Arizona, still have millions of ballots to count.

This live coverage has ended. Continue reading election news from November 4, 2020.

Read live updates below:

Biden wins several solid blue East Coast states, Trump wins Oklahoma

NBC News projects that Biden has won his home state of Delaware, as well as the District of Columbia, Maryland, Massachusetts and New Jersey

NBC News projects that Trump has won Oklahoma.

Battleground Florida too early to call

It remains too early to call Florida, NBC News projects, as Biden holds a lead of less than 10,000 votes.

With 80 percent of the expected vote already in, Trump has seen a massive improvement on his vote in Miami-Dade County compared to 2016. There, he has so far picked up more than 140,000 additional votes when compared to his 2016 total.

But the news is better for Biden elsewhere in the state. He has improved on Clinton's total and margin in Duval, Pinellas and Hillsborough counties — home to Jacksonville, Tampa and St. Petersburg.

NBC News Exit Poll: In Maine, voters divided on ranked-choice voting

As Maine becomes the first state to use ranked-choice voting in its highly competitive Senate race Tuesday, voters in the state are divided about the new voting method.  

According to early results from the NBC News Exit Poll of early and Election Day voters in Maine, 47 percent say they support ranked-choice voting, while 46 percent oppose it.

But there are stark divides among each candidate’s voters on the adoption of ranked-choice voting: Among those who support Democratic Senate challenger Sara Gideon, 71 percent support the new voting method while 20 percent oppose.

The pattern is the reverse among voters who back Republican incumbent Susan Collins: Just 20 percent of her voters support the policy, while 76 percent oppose it.

Vote Watch: Absentee ballot count will be delayed in Fulton County, Georgia

Officials at the State Farm Arena in Fulton County, Georgia, have announced that the absentee ballot count will be delayed after a pipe burst in the room containing the ballots. Fulton County is Georgia’s most populous county and includes Atlanta. 

The issue with the pipe was fixed within two hours. According to Fulton County spokesperson Regina Waller, none of the ballots or machinery were damaged. 

Fulton County said in a statemen, "Tonight Fulton County will report results for approximately 86,000 absentee ballots, as well as Election Day and Early Voting results. These represent the vast majority of ballots cast within Fulton County."

The county still plans on counting all ballots Tuesday night. However, Waller did not give an estimated time of completion. The county did not anticipate having all absentee ballots counted on Election Night.

NBC News Exit Poll: 3 in 10 Biden voters say opposition to Trump drove their choice

Voters for Joe Biden were more than twice as likely as voters for President Trump to say that their choice for president was driven by opposition to the other candidate. 

According to early results from the NBC News Exit Poll of early and Election Day voters, more than 3 in 10 Biden voters said their vote for Biden was mainly against Trump. In contrast, just 15 percent of Trump voters said they cast their ballot against Biden. 

And more Trump voters (80 percent) said their vote was in support of the president. This compares with 63 percent of Biden voters who said they cast their ballot in support of the Democratic candidate.

Vote Watch: 14,000 ballots won't be counted in one S.C. county Tuesday night because of printing error

In South Carolina's Dorchester County, 14,000 mail-in ballots won't be counted Tuesday night because of a printing error. 

The mistake was noticed when they tried to scan the mail-in ballots during the day, according to a spokesman for the state's Board of Elections. The county has to come up with a solution to the problem by Wednesday morning.

Dorchester County is outside of Charleston, which voted for Trump in 2016, 56 percent to 38 percent.

The state's Senate race between GOP incumbent Sen. Lindsey Graham and Democratic challenger Jaime Harrison is competitive.

Postal Service ordered to sweep its facilities for ballots

A federal judge ordered Postal Service inspectors to "sweep" postal service facilities this afternoon “to ensure that no ballots have been held up and that any identified ballots are immediately sent out for delivery.”

U.S. District Judge Emmet Sullivan's order covers 12 Postal Service regions, including in swing states such as Pennsylvania, Georgia, Texas, Michigan, Florida and Arizona and came after the federal mail agency said 300,000 ballots it had received had not been scanned for delivery — though just because they weren't scanned doesn't mean they weren't delivered, postal officials say.

The Postal Service did not meet its 3 p.m. deadline to finish the sweep, but it said it started "all clear" sweeps to check for election mail, including voter registration, absentee ballot requests and absentee ballots, in January 2020. It said the Postal Inspection Service, essentially the mail police, had stationed hundreds of its agents to conduct daily reviews of all 220 of its facilities since Oct. 29. 

The NAACP, one of the groups that filed the case, said it was "grateful Judge Sullivan is requiring the USPS to take all actions necessary to ensure ballots are delivered on time."

"There is no room for error," NAACP President Derrick Johnson said. "Some state deadlines are tonight and the ballots must arrive. The Postal Service must comply fully with this order or be held in contempt.” 

Sullivan denied the NAACP's request for an emergency conference after the Postal Service did not meet the court's deadline, but he certified that all the sorting facilities were being swept for overlooked or mishandled ballots until 8 p.m.

The judge did tell the agency's lawyers to plan for a hearing at noon Wednesday discuss their failure to meet his earlier deadline. 

Trump campaign, Nevada GOP file emergency motion to limit processing of mail-in ballots

The Trump campaign and the Nevada Republican Party filed an emergency motion Tuesday afternoon, asking the state Supreme Court to stop processing some mail-in ballots in Clark County. 

Citing the potential for ballot manipulation, the motion requests the state’s highest court to stop election officials in Clark County, home to Las Vegas and the largest population in the state, from using a signature match software. The motion also asks the court to stop processing the mail-in ballots until the appeals can be heard and observation can be increased of the county’s ballot tabulation system. 

The emergency motion was filed a day after a Nevada district court judge issued an order rejecting the campaign and the Nevada GOP’s joint lawsuit filed in October, that claimed potential issues with the county’s signature verification system and its ballot processing procedures.

District Court Judge James Wilson’s order Monday stated that parties did “not have standing to bring these claims.”

'Get people back to work': Mississippi voters say economy is top issue

JACKSON, Miss. — In a suburb outside Mississippi's largest city, President Trump remains popular with many voters. 

Roughly 75 percent of voters in Rankin County, a Republican stronghold in the state, backed Trump in 2016. Polls are set to close in the state at 8 p.m. ET.

At the Oakdale Baptist Church voting location, Tip Dyess, 53, said he wants Trump re-elected “to keep our economy strong."

The state has an unemployment rate of about 7 percent, according to the most recent projections from the Mississippi Department of Employment Security for September.

Loretta Paits lacks Dyess' confidence.

Sitting outside the polling location in a lawn chair as she waited for a friend to vote, she shared that she favored Joe Biden’s plan to "get people back to work." Mississippi has one of the nation's highest uninsured rates, and Paits said she hopes Biden will reform health care in "a way that benefits everybody."

As masked voters walked past, the coronavirus pandemic was also on Paits' mind.

"I pray that he gets a vaccination," she said of Biden.

NBC News Exit Poll: Trump voters divided on whether mask-wearing is a public responsibility

As the handling of the coronavirus becomes a flashpoint in the 2020 presidential election, Trump voters are divided on the use of masks.

Among the president's voters, 50 percent say wearing a mask is a public health responsibility while a similar share (47 percent) say they are more of a personal choice.

According to early results from the NBC News Exit Poll of early and Election Day voters, an overwhelming majority of voters nationwide say that wearing a mask is more of a public health responsibility (68 percent). Just 3 in 10 say mask-wearing is a personal choice.  

A sizable share of Biden’s voters see mask wearing as a duty to the public: 83 percent say it’s a public health responsibility while just 14 percent say it is a personal choice.

Analysis: Trump gets huge boost in Miami-Dade County in Florida

President Trump has improved over his raw vote total in Miami-Dade County in Florida by more than 100,000 votes with ballots still to be counted. Trump has more than 457,000 votes compared to 334,000 in Miami-Dade four years ago. 

That's with about 84 percent of precincts reporting. Biden is within about 10,000 votes of Hillary Clinton's total at the moment. The Miami-Dade area includes much of Florida's Cuban American community, which Trump had pinpointed as a constituency that could help him carry Florida again.

In some counties, Biden already has outpaced Clinton's numbers. But nothing so far is as dramatic as Trump's boost in Miami-Dade.