Sky News correspondents have been reporting from across the US as millions of Americans cast their votes in the presidential election.
Voters face a stark choice between Donald Trump and Kamala Harris and the race has been extremely tight, with opinion polls suggesting the contest is too close to call.
US election latest: Harris makes surprise stop - as Trump reveals election night plans
Trump support from black people in Georgia 'a fallacy', locals say
Speaking from Fulton County, Atlanta, in the battleground state of Georgia, our correspondent Cordelia Lynch said preliminary exit poll data suggested Mr Trump had failed to win over black voters, who make up a large percentage of the population there.
She said the numbers were looking "very similar to what we saw in the race between him and Joe Biden back in 2020," when the current president won the state over with the help of black voters.
Lynch added that despite reports of low support for Ms Harris from black men, locals she spoke to thought the suggestion they were voting for Mr Trump instead were "a fallacy".
Abortion rights, she said, seem to be the driving force for where votes among that demographic have fallen.
"They [locals] say they are just not seeing that [support for Mr Trump] in Georgia and that, yes, people are motivated by the economy, but they're also motivated by reproductive rights, which are so contentious in a state like this where abortion is illegal at six weeks.
"And they're going to the polling stations today, and in the huge early voter turnout in the states as well.
"Four million cast their votes early because they care about their sisters, their mothers, their friends, and they're worried about the direction, the trajectory, of the country."
Read more:
Play our game to predict US election winner
'Shocking' video falsely claims ballots destroyed
How will 2024 compare with most dramatic US election nights?
Pennsylvania 'one of tightest races in this election'
Our international affairs editor Dominic Waghorn is in Bucks County, Pennsylvania - a battleground state he said was "so important" because of its 19 electoral college votes.
"It's very hard to see anybody getting into the White House without Pennsylvania being on their path to victory, unless there's a major upset somewhere else," he said.
"It is also one of the closest and the tightest races in this election if you look at the opinion polls."
Outside a polling centre, a Republican voter told him that although he and Democrat voters had "different opinions", they were being "respectful" towards each other.
But a Democratic voter said she was scared there might be another bout of violence like that seen in the January 6 US Capitol Riots in 2021.
Inside bellwether state with cross-section of US society
Absentee vote counting was under way in downtown Detroit, Michigan - another key battleground state.
In 2020, chaos unfolded at the Huntington Place convention centre as people pounded on the doors and windows during the count.
This year, the level of security is intense, correspondent Yousra Elbagir said, with police officers positioned in the surrounding streets, inside the building and even on the roof.
Elbagir said Michigan is a bellwether state and would be able to give a clue as to how Americans have voted, noting the state has voted for the winner over the last two elections.
This is because "there's such a cross-section of American society" in Michigan, Elbagir said, listing working-class families reliant on the car industry and other industries, as well as students, Arab Americans, a large immigrant community and a large black population.
"As the count comes in we'll be watching Michigan closely to get a hint of who might be the next president of the United States," she adds.
Differing visions for the future of America
Mr Trump and Ms Harris offer completely different visions for America, correspondent Shingi Mararike said.
In the battleground state of Arizona, Republican voter Dane Jensen told him Mr Trump continued campaigning after being targeted in an assassination attempt in July as a show of strength was admirable.
He said the former president and his supporter Elon Musk, the world's richest man, represent the ideals he is striving for.
But others like Renee Rojas said Mr Trump's smash-mouth approach to politics was a turn-off.
She said the way Mr Trump talks about women was part of the reason she had decided to turn her back on the Republicans for the first time in her life.
Mararike said the duelling election campaigns had laid bare that perception as much as policy proposals can prove decisive in how people vote.
(c) Sky News 2024: Sky News correspondents reveal insights from US voters - and how one state could ind