Good nightpublished at 23:52
Before we go - time for a brief look back at main stories of the day:
Labour and the Liberal Democrats have focused on the NHS in their campaigns , while the Conservatives concentrated on tax and the economy.
Senior Labour figures say they are considering the option of forming a minority coalition with the Lib Dems if there's a hung parliament.
In response, the Tories have warned that a vote for the Lib Dems would lead to an "SNP-led Ed Miliband government".
SNP leader Nicola Sturgeon questioned the legitimacy of a government which did not include Scottish MPs.
A Lib Dem claimed David Cameron told Nick Clegg he didn't expect to win a clear majority - the Tories dismissed this as "nonsense".
UKIP launched its Scottish manifesto.
Plaid Cymru leader Leanne Wood says she would vote down a Labour Budget if it contained cuts.
Comedian Russell Brand endorsed Ed Miliband.