Polls close in New Jerseypublished at 20:10
Results are expected to start coming in shortly from the first state, New Jersey, where 126 delegates are at stake. You can follow what happens as the different precincts report here.
Summary
Donald Trump is facing a slew of claims of sexual misconduct from women
In Florida on Thursday, he fought back by strongly dismissing the accusations
First Lady Michelle Obama decried his actions as "intolerable"
Last week a video tape emerged in which Mr Trump boasted of groping women
A series of recent polls suggest a fall in his support to rival Hillary Clinton
Polls close in New Jerseypublished at 20:10
It wasn't like this for Clinton in 2008published at 19:48
According to the Associated Press, Hillary Clinton has already reached the 2,383 delegates and superdelegates needed to claim the Democratic presidential nomination.
However, the night was very different for the candidate eight years ago. Mrs Clinton conceded to President Barack Obama in 2008, officially dropping out of the race on June 7, 2008.
Image source, APPresident Obama led Mrs Clinton by about 100 pledged delegates and 100 unpledged delegates on June 3, 2008. Mrs Clinton waited four days after Mr Obama was declared the presumptive candidate to drop out.
MSNBC political correspondent Steve Kornacki shared the numbers on how this year's popular vote in the Democratic race compares to previous primary seasons earlier.
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End of twitter postStage is set for potential nomineespublished at 19:34
The BBC's correspondents are covering the results in the final states to vote.
Both Hillary Clinton and Donald Trump could be making speeches later as the presumptive nominees who will go head to head in the November election.
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End of twitter post 2Republicans still voting toopublished at 19:20
Although Donald Trump has long been the presumptive nominee for the Republicans, we'll be watching what voters in five states have to say on the matter. Will the latest controversy over Mr Trump's 'racist' comments make any difference?
Image source, AFPClinton hopes to cement her leadpublished at 19:01
We'll bring you the latest results as Democratic candidates Hillary Clinton tries to cement her lead over Bernie Sanders. Mrs Clinton is expected to be declared the presumptive Democratic presidential nominee after the polls close in New Jersey in an hour or so. But the California vote is also key as Mr Sanders vows to fight until the July convention in Philadelphia.
Primary season 2016 rolls to a finalepublished at 18:56
Welcome to BBC News' live coverage of the final "Super Tuesday" in the US presidential primary season. Voters have been heading to the polls in California, Montana, New Jersey, New Mexico, North Dakota and South Dakota.
Image source, JEWEL SAMAD/AFP/Getty Images)Image caption, Hillary Clinton and Bernie Sanders face off in six states
Goodnight to Cruz's campaign - and this live blogpublished at 04:21 British Summer Time 4 May 2016
That's all for now for our live updates of Ted Cruz ending his campaign, Donald Trump becoming the presumptive Republican nominee and Bernie Sanders gaining a surprise win in Indiana.
Image source, ReutersImage caption, Trump waves to supporters
Political reporters rejoicepublished at 04:09 British Summer Time 4 May 2016
Image source, ReutersAt the chance to cover an election unlike any other.
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End of twitter post 3Elizabeth Warren tweet-storms on Trumppublished at 04:05 British Summer Time 4 May 2016
The liberal senator from Massachusetts is not hiding her disdain for presumptive GOP nominee Donald Trump.
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End of twitter post 4Good news for Clinton out of Indiana loss?published at 04:01 British Summer Time 4 May 2016
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End of twitter postA rough six days for Carly Fiorinapublished at 03:59 British Summer Time 4 May 2016
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End of twitter post 4Washington Post columnist now has to eat his words ...published at 03:42 British Summer Time 4 May 2016
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End of twitter postQuote MessageSix months ago, I made a reckless vow. With Donald Trump dominating in polls, I said I’d eat a column — 18 column inches of toxic newsprint, wood-pulp, ink and all — if Trump won the Republican presidential nomination.
Dana Milbank, Washington Post columnist
Republican electoral map woespublished at 03:38 British Summer Time 4 May 2016
Chris Cilliza wrote in the Washington Post on Monday of the Republicans' electoral map woes.
"If Clinton wins the 19 states (and D.C.) that every Democratic nominee has won from 1992 to 2012, she has 242 electoral votes. Add Florida's 29 and you get 271. Game over," he wrote, external.
"What you are left with then is an electoral map in which the Democratic nominee begins at a significant advantage over the Republican one."
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End of twitter postRepublican never say never (Trump)published at 03:36 British Summer Time 4 May 2016
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End of twitter post 3Tomorrow's front pagespublished at 03:31 British Summer Time 4 May 2016
Image source, New York Post
Image source, New York Daily NewsRegistration-burning in Washingtonpublished at 03:22 British Summer Time 4 May 2016
More anguish from the Anti-Trump camp, including a conservative writer and Libertarian candidate Gary Johnson.
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End of twitter post 2Clinton campaign on facing Donald Trumppublished at 03:21 British Summer Time 4 May 2016
Sanders: 'We’re going to fight until the last vote is cast'published at 03:20 British Summer Time 4 May 2016
Image source, APThe Sanders campaign released a statement on his win in Indiana:
I want to thank the people of Indiana for the great upset victory that they gave us tonight. This is the 18th state that we have won, and we expect more victories in the weeks to come. The Clinton campaign thinks this campaign is over. They’re wrong. Maybe it’s over for the insiders and the party establishment, but the voters in Indiana had a different idea. The campaign wasn’t over for them. It isn’t over for the voters in West Virginia. It isn’t over for Democrats in Oregon, New Jersey and Kentucky. It isn’t over for voters in California and all the other states with contests still to come. We understand that we have an uphill climb to victory but we have been fighting uphill from the first day of this campaign. We are in this campaign to win and we’re going to fight until the last vote is cast. There is nothing I would like more than to take on and defeat Donald Trump, someone who must never become president of this country. The voters in the remaining contests deserve a chance to compare my record and Hillary Clinton’s record on creating jobs, raising the minimum wage, war and peace, the need for health care for all, breaking up big banks, combating climate change and other critical issues. To help voters make the best-informed choice possible, I hope that Secretary Clinton will agree to a date and place for a debate in California.
Reminder: John Kasich is still in the racepublished at 02:57 British Summer Time 4 May 2016
The Ohio governor has not dropped out yet, despite the fact that he has no path to the nomination.
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End of twitter post 2Tributes to the fallen Cruz campaignpublished at 02:52 British Summer Time 4 May 2016
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