Election 2015 in pictures: 28 April

Nick Clegg prepares to address delegates on the economy at a press conference in London — Image caption,
Lib Dem leader Nick Clegg began the day at a news conference in London, saying: "Today, I can confirm an absolute red line - a pre-condition for government. Education. The Liberal Democrats will not allow our children and grandchildren to pay the price of this generation's mistakes. We believe above all else in spreading opportunity, in tearing down the barriers that stop people from reaching their potential."

Labour leader Ed Miliband arrives at Paddington train station in London

Stefan Rousseau/PA

Labour leader Ed Miliband was at Paddington Station to board a train to Cardiff in Wales.

Britain's Prime Minister and leader of the Conservative Party David Cameron makes a speech surrounded by workers during his visit to Kelvin Hughes, a company which manufactures naval tactical radar systems, in north London

Matt Dunham/ap

David Cameron rolled up his sleeves once again, this time to address workers at a company in Enfield, north London. Speaking about today's GDP figures, he said: "The figures out today show we're still growing, and that's good, but they show we cannot take the recovery for granted."

Nigel Farage leader of Britain's United Kingdom Independence Party delivers a speech in Hartlepool, England

Scott Heppell/ap

Nigel Farage took his UKIP campaign to north-east England. Speaking in Hartlepool, he said: "The view has always been that the North East is a one-party state... they got away with it for years. But the lesson is Scotland was a one-party state and we've seen how the SNP managed to destroy it."

Chancellor George Osborne uses an air drill to tighten a nut, with Secretary of State for Education Nicky Morgan (left) during a visit to EPS engineering company in Loughborough, Leicestershire

Joe Giddens/PA

Chancellor George Osborne got hands-on with an air drill during a tour of the EPS engineering company in Loughborough, observed by Education Secretary Nicky Morgan.

Miriam Gonzales Durantez (centre), the wife of the Liberal Democrat leader Nick Clegg visits Scottoiler, an award winning motorcycle chain lubricant manufacturer with Jo Swinson (right)

Jeff J Mitchell/Getty Images

This is one for the caption competition. Miriam Gonzales Durantez (C), wife of Nick Clegg, and Jo Swinson (R) shared a joke at Scottoiler, an award-winning motorcycle chain lubricant manufacturer in Milngavie, Scotland.

Labour leader Ed Miliband giving a speech at the Cardiff North Labour Party offices in Cardiff

Stefan Rousseau/PA

Once in Cardiff, Mr Miliband spoke about the GDP stats, at the Cardiff North Labour Party offices, saying: "What these figures illustrate is that, far from the economy being fixed, they are further proof that there are big problems in our economy, big problems which are leading to the cost-of-living crisis that so many families are facing."