Labour Jack McConnell was at Cumbernauld College, launching a sustained, personal attack on Alex Salmond. Defence Secretary Des Browne and Defence Minister Adam Ingram were campaigning in Easterhouse, Fife and Helensburgh.

SNP Alex Salmond was in Glenrothes, visiting one of the 100 business people who backed the SNP in a newspaper advert. The party hailed an independent analysis of election spending pledges, claiming it countered Labour's attack that "SNP sums don't add up". Nicola Sturgeon said SNP polls show people are more likely to vote for the party because of its local income tax plan.

LibDems Nicol Stephen was at a primary school in Edinburgh West with former leader Charles Kennedy, stressing family-friendly policies. Campaign director Tavish Scott hit back at the list of SNP business backers, citing surveys show most people in business do not support independence.

Conservatives Annabel Goldie visited Newton Mearns, Eastwood, to argue for a new school bus scheme to cut school run congestion and improve child safety. She said she would welcome back David Mundell to Holyrood with open arms.

Others The SSP were at the Falkirk Wheel to protest against private finance of hospitals. The company behind a new privately-financed hospital in Larbert was recruiting there. Derek Turner, leader of Scottish prison officers, left Labour and backed the Free Scotland Party, pro-independence outside the EU. A group of women's organisations urged voters to consider equal pay, violence against women and the lack of women council candidates when they go to the polls. The Scottish Enterprise Party announced plans for an 18% flat tax on earnings of more than £10,000. The Christian Institute highlighted ethical issues of euthanasia, drugs, marriage and religious liberty, as it analysed party manifestos, but did not endorse any party.