David Cameron and Ed Miliband have clashed over coalition cuts as parties made a final push before crucial elections.
The Labour leader insisted the Tories and Liberal Democrats had proved that voters should not believe a word they said during the campaign.
But the Prime Minister hit back by urging voters to remember the "mess" the previous government had left when selecting councillors.
Meanwhile, the blame game already seemed to be under way between supporters of the Alternative Vote (AV), with polls suggesting a resounding No result in Thursday's referendum.
The last day of campaigning before the ballot boxes open was dominated by the clashes at Prime Minister's Questions in the Commons.
Mr Miliband attacked Mr Cameron over the forced retirement of veteran police officers and trebling of tuition fees to £9,000.
He also highlighted splits that saw Lib Dem Energy Secretary Chris Huhne directly challenge the Prime Minister over the conduct of the anti-AV campaign during a Cabinet meeting.
"Remember what they said a year ago: Two parties working together in the national interest. Now what do we have? Two parties threatening to sue each other in their own interest. That's what's changed in the last year," Mr Miliband said.
But Mr Cameron responded: "What this coalition has done over the last year is frozen council tax, capped immigration, lifted a million people out of income tax, introduced a pupil premium, linked the pension back to earnings, cut corporation tax and set up more academies in 10 months than the last government set up in 10 years.
"And with council elections tomorrow, people should remember the mess Labour left us in and resolve themselves: Don't let Labour do to your council what they did to our country."
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