US elections 2008

Barack Obama wins a big victory in North Carolina, while Hillary Clinton has a narrower-than-expected victory in Indiana.

Following a string of endorsements, Obama takes the lead among super-delegates, who will cast the deciding votes at the party convention.

Hillary Clinton wins the West Virginia primary fuelling a perception that Obama has difficulty connecting with white working class voters.

The former candidate John Edwards, who dropped out of the race in January, appears at a rally in Michigan to endorse Barack Obama.

Hillary Clinton wins the Kentucky primary but Barack Obama takes Oregon and claims that he now has a majority of pleged delegates.

Democratic Party officials vote to seat all of Florida and Michigan's delegates at the party's convention, with each getting a half-vote.

Puerto Rico primary gives a clear victory to Clinton with 68% of the vote but the gain of 38 delegates is only able to put a dent in Obama's lead.

The final two primaries give Clinton a win in South Dakota while Obama wins in Montana and takes an unassailable majority of convention delegates.

Hillary Clinton announces suspension of campaign and endorses Barack Obama. She congratulates him on "the extraordinary campaign he has won."

Pick a day to follow the campaign as it unfolded in our daily and weekly election bulletins.