All three parties are hitting the campaign trail in the last weekend before polling day, with rumours still swirling about how they would behave in the event of a hung parliament.
Former prime minister Tony Blair has warned voters not to back the Liberal Democrats for the wrong reasons.
Gordon Brown has paid a "heavy price" for the 'bigotgate' scandal, he has admitted.
Nick Clegg undermined the prospect of a Conservative-Lib Dem coalition in a hung parliament, by turning his electoral sights on David Cameron's party.
A new poll has put Nick Clegg virtually neck-and-neck with David Cameron, suggesting Labour voters are moving to the Lib Dems.
Protests are taking place across Britain as campaigners rally for traditional May Day demonstrations.
Users of the website Mumsnet, which has taken on a surprisingly important role in British political fortunes, have given Nick Clegg a clear and decisive lead over his rivals.
A heckler has been thrown out of a Labour party event after he complained about broadband provision.