This article is from the source 'bbc' and was first published or seen on . It last changed over 40 days ago and won't be checked again for changes.

You can find the current article at its original source at http://www.bbc.co.uk/news/election-us-2016-36308494

The article has changed 9 times. There is an RSS feed of changes available.

Version 3 Version 4
Bernie Sanders and Hillary Clinton vie for Kentucky and Oregon Hillary Clinton declares victory in tight Kentucky race
(about 2 hours later)
Democratic presidential candidate Bernie Sanders is hoping to keep his campaign alive with strong showings in the Kentucky and Oregon primaries. Democratic presidential candidate Hillary Clinton has declared victory in Kentucky as she tightens her grip on the presidential nomination.
With most of the votes counted in Kentucky, he is ahead of Hillary Clinton by a whisker. With most of the votes counted in the state and less than 0.5% ahead, Mrs Clinton was declared the unofficial winner by one state official.
In the night's other primary contest in Oregon, rival Bernie Sanders is ahead.
Front-runner Mrs Clinton is almost certain to secure the nomination in July, with a significant delegate lead.Front-runner Mrs Clinton is almost certain to secure the nomination in July, with a significant delegate lead.
Mrs Clinton has won 94% of delegates needed to win the nomination, a total of 24 states to Mr Sanders' 19. Alison Lundergan Grimes, chairwoman of the Kentucky State Board of Elections, told CNN that unofficial results confirmed that Clinton would narrowly win the state's primary contest.
The polls close in Oregon at 2300 EST (0300 GMT). Shortly afterwards, Mrs Clinton tweeted: "We just won Kentucky! Thanks to everyone who turned out. We're always stronger united."
The polls closed in Oregon at 2300 EST (0300 GMT) but early indications show Mr Sanders well ahead.
Kentucky results as they come inKentucky results as they come in
Oregon results as they come inOregon results as they come in
Republicans are also voting in Oregon on Tuesday, but that race is all but decided, with front-runner Donald Trump having pushed out all of his competitors. In the Republican race, Donald Trump won the party's only contest on Tuesday, in Oregon, which was no surprise as he was the last candidate in the race.
The Kentucky Democratic primary will award 60 delegates to go to the party's convention in Philadelphia while Oregon's primary will award 74.The Kentucky Democratic primary will award 60 delegates to go to the party's convention in Philadelphia while Oregon's primary will award 74.
Kentucky's primary is closed, meaning only registered Democratic voters can participate.
In Oregon, voters cast ballots entirely by mail.
Pressure is rising on Mr Sanders, a senator from Vermont who has historically been an independent, not a Democrat, to drop out of the race.Pressure is rising on Mr Sanders, a senator from Vermont who has historically been an independent, not a Democrat, to drop out of the race.
Some Democrats worry that his presence is hurting their chances of beating Mr Trump, a billionaire businessman with no political experience, in the general election in the autumn.Some Democrats worry that his presence is hurting their chances of beating Mr Trump, a billionaire businessman with no political experience, in the general election in the autumn.
Mr Sanders recently won primaries in Indiana and West Virginia, but that did not help him cut into Mrs Clinton's delegate lead.
"I don't think they think of the downside of this," said Senator Dianne Feinstein, who supports Mrs Clinton.
"It's actually harmful because she can't make that general election pivot the way she should. Trump has made that pivot."
Vice President Joe Biden has said he is confident Mrs Clinton will be the nominee.
Mr Sanders has argued that he still has a path to the Democratic nomination.Mr Sanders has argued that he still has a path to the Democratic nomination.
On the Republican side, Mr Trump is slowly gaining support among the GOP establishment.
He met House Speaker Paul Ryan last week and the two had a "productive" conversation but Mr Ryan has yet to formally support him.
Mr Trump is only 103 delegates short of the 1,237 needed to clinch the Republican nomination and Mrs Clinton is 143 short of the 2,383 Democratic delegates she needs.