Voters have rejected AV by an astonishing majority, ending a disastrous 24 hours for the Liberal Democrats.
David Cameron has presided over a campaign of "downright lies", Paddy Ashdown has said.
An electoral reform referendum, local elections and elections to the devolved administrations all took place today.
Bookies have all but written off a victory for Yes to AV at tomorrow's referendum, saying there was "no serious backing" for a surprise win.
Ed Miliband refused to share a referendum platform with Nick Clegg because the Liberal Democrat leader "shocked" Britain, he has claimed.
The AV referendum has helped 'amplify' the differences between the coalition parties, Nick Clegg has admitted.
Politics under the first-past-the-post system is "unfair", progressives are arguing before Thursday's referendum on electoral reform.
Public opinion about the AV referendum is unpredictable because most people are not interested, a leading elections academic has said.
Two news polls have shown the 'no' campaign storming ahead in the alternative vote referendum.
Labour's divide over the alternative vote has widened further as the bitter battle to win over the party's supporters intensifies.
Tim Farron has described Margaret Thatcher's government as "organised wickedness".
Peter Mandelson has joined the fray as the struggle for Labour voters' support on the alternative vote intensifies.
Appealing to the public's expenses anger is unlikely to win over referendum voters to the 'yes' campaign, research has suggested.
First-past-the-post has been unanimously rejected by a group of respected academics.
The current voting system can be judged by the fact that its supporters include the BNP and the Communist party, Nick Clegg has said.
Nick Clegg has downplayed the effect his unpopularity could have in the AV referendum.
Ed Miliband's enthusiastic support for AV has failed to prevent his MPs drifting to the 'no' camp.
Senior Liberal Democrats have expressed "shock" and "disgust" at the campaign being run by their coalition partners in the No to AV camp.
The referendum on AV heated up significantly today as David Cameron and Ed Miliband launched simultaneous campaign events.
David Cameron's knows AV is wrong in his "guts", he told voters on a day that saw the debate on electoral reform cross party lines.
Voters should not use their vote at the AV referendum to punish Nick Clegg, Ed Miliband has said.
Paddy Ashdown has hit out at the chancellor and his Tory Cabinet colleagues' arguments against the alternative vote.
George Osborne has launched a spectacular attack on Yes to AV, highlighting alleged conflicts of interests in its funding.
David Cameron has warned that Britain is "sleepwalking" into voting for AV, in a sign of increased concerns at Tory HQ that the 'yes' camp will clinch the deal.
The ongoing row between Chris Huhne and Baroness Warsi turned personal this weekend, as the energy secretary accused his colleague of "poisoning" politics.
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