Election results that look like victory for one candidate at 10 p.m. could shift the other way at 11:30 p.m., or even later. And it may take days to find out who won.

The final day of voting in the 2024 presidential election arrived with tens of millions of Americans having already cast their ballots.

For the most part, voting in America is going as planned. But here’s a look at a few of the big surprises, incidents and threats that have unfolded on Election Day.

Pennsylvania is expected to be a key swing state in the race for president between Vice President Kamala Harris and former President Donald Trump.

During his two-hour testimony at an ongoing hearing over Elon Musk and his super PAC's $1 million voter sweepstakes, Philadelphia District Attorney Larry Krasner characterized America PAC's admission that winners are preselected as the "most amazingly disingenuous defense I have ever heard."

Arizona's Maricopa County has ramped up security after protests in 2020 and violent threats toward election officials, including Ken Matta. He explains the new reality for election security in Arizona’s largest jurisdiction.

Follow Florida House District 13 election results live during the 2024 election. Get updates on voting outcomes from the Florida House election, including maps from NBC News.

Trump versus Harris, who will win? As Election Day kicks off, here's what various polls are saying about who will become our next president.

Follow Washington House District 9 election results live during the 2024 election. Get updates on voting outcomes from the Washington House election, including maps from NBC News.

The 'Umbrella' singer responded to comments people made about her recent political joke, reffering to one as a "Karen."

Find out how Californians vote for President, on statewide propositions and in local city, school board and bond measure races.