Senior Labour figures were last night at odds over calls for the party's supporters to vote tactically to keep the Tories out of power.
With the campaign entering its final hours, a rift appeared to be opening over whether to urge Labour voters to back the Liberal Democrats in seats where they are directly challenging the Tories.
Cabinet minister Ed Balls and former Northern Ireland Secretary Peter Hain indicated voters opposed to the Conservatives should “act intelligently” with their vote.
Other senior figures however, including campaign co-ordinator Douglas Alexander, warned that support for the Lib Dems could actually let the Tories back in.
And there was more embarrassment for Labour yesterday when one of the party's candidates branded Gordon Brown as Britain's “worst Prime Minister”.
Manish Sood, the candidate for North West Norfolk, was swiftly dismissed by the party as a “maverick” standing in a safe Tory seat where Labour stood no chance and who faced censure once the election was over.