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-2016-35810887

The article has changed 10 times. There is an RSS feed of changes available.

Version 1 Version 2
US presidential election: Five states vote in primaries US presidential election: Five states vote in primaries
(35 minutes later)
Five US states are holding primaries for November's presidential election on what has been dubbed Super Tuesday II, giving Democrat and Republican front-runners a chance to cement their leads. Five US states are holding primaries for November's presidential election, in a crucial round that could give Democrat and Republican front-runners a chance to cement their leads.
Polls have opened in Ohio and Florida - both deemed key states - as well as in North Carolina, Illinois and Missouri.Polls have opened in Ohio and Florida - both deemed key states - as well as in North Carolina, Illinois and Missouri.
Democratic front-runner Hillary Clinton will hope to fend off a challenge from her resurgent rival, Bernie Sanders.Democratic front-runner Hillary Clinton will hope to fend off a challenge from her resurgent rival, Bernie Sanders.
Meanwhile Donald Trump will aim to edge out his Republican rivals in the race.Meanwhile Donald Trump will aim to edge out his Republican rivals in the race.
The New York real estate mogul is the favourite to win his party's nomination but has run into fierce opposition from within the Republican establishment, as well as facing condemnation from the Democrats.The New York real estate mogul is the favourite to win his party's nomination but has run into fierce opposition from within the Republican establishment, as well as facing condemnation from the Democrats.
Live updates: Super Tuesday II Live updates on crucial votes
What to expect from Super Tuesday - the sequelWhat to expect from Super Tuesday - the sequel
Criticism over violent Trump ralliesCriticism over violent Trump rallies
What Trump says about protesters at his ralliesWhat Trump says about protesters at his rallies
Why are Americans so angry?Why are Americans so angry?
Mr Sanders, a Vermont senator, and Mrs Clinton, a former Secretary of State, have accused Mr Trump of encouraging his supporters to beat up protesters, after violence broke out at a planned appearance by Mr Trump in Chicago.Mr Sanders, a Vermont senator, and Mrs Clinton, a former Secretary of State, have accused Mr Trump of encouraging his supporters to beat up protesters, after violence broke out at a planned appearance by Mr Trump in Chicago.
Meanwhile, Republican candidate Marco Rubio, currently in third place, has said he must win in his home state of Florida in order to stop Mr Trump from "hijacking" his party's nomination.Meanwhile, Republican candidate Marco Rubio, currently in third place, has said he must win in his home state of Florida in order to stop Mr Trump from "hijacking" his party's nomination.
Ohio Governor John Kasich is also aiming for a win in his home state in order to obstruct Mr Trump's progress to the nomination.Ohio Governor John Kasich is also aiming for a win in his home state in order to obstruct Mr Trump's progress to the nomination.
Victories for any of Mr Trump's rivals - Mr Rubio, Mr Kasich, or Senator Ted Cruz of Texas - would give hope to the Republicans fighting to block him.Victories for any of Mr Trump's rivals - Mr Rubio, Mr Kasich, or Senator Ted Cruz of Texas - would give hope to the Republicans fighting to block him.