Nick Clegg predicted that the UK will face another General Election before Christmas if the Liberal Democrats do not form part of a coalition government following this week's poll.
The Lib Dem leader said it would be impossible for a minority government to pass key legislation without signing off controversial concessions to the SNP and Ukip.
A party statement said a second election in 2015 would be "almost inevitable" without the Lib Dems in parliament.
Everybody knows that no one will win this election – even if David Cameron and Ed Miliband won’t admit it publicly.
If they try to stagger through with a messy and unstable minority government instead of putting the country first then they will risk all the hard work and sacrifices people have made over the last five years.
The last thing Britain needs is a second election before Christmas. But that is exactly what will happen if Ed Miliband and David Cameron put their own political interest ahead of the national interest.
The only party that will ensure stability is the Liberal Democrats.
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