Election campaign, week three

Liberal Democrats (in date order): Nick Clegg talks on his mobile phone while waiting for a train at Chippenham station, in Wiltshire
Photograph: Chris Radburn/PA

The Liberal Democrat Treasury spokesman, Vince Cable, visits a toy shop in Westminster arcade, Harrogate
Photograph: John Giles/PA

Alan Reid, the Liberal Democrat candidate for Argyll and Bute, meets constituents as he walks beside Loch Etive in Taynuilt, Scotland
Photograph: Jeff J Mitchell/Getty Images

Clegg on the campaign bus in Norwich
Photograph: Sean Smith

Clegg speaks to journalists in Norwich
Photograph: Sean Smith

Labour: Peter Mandelson waits for a press conference to begin at the Bloomberg offices in London
Photograph: Christopher Furlong/Getty Images

Peter Mandelson and Gordon Brown at a news conference in London
Photograph: Suzanne Plunkett/Reuters

Gordon Brown and his wife, Sarah, meet staff during a visit to the Mini assembly plant at Cowley, in Oxford
Photograph: Stefan Rousseau/PA

Ed Milliband, the energy and climate change secretary, canvasses in Swindon
Photograph: Christopher Furlong/Getty Images

The deputy leader of the Labour party, Harriet Harman, talks to women with children in the garden of the Vestry House museum in Walthamstow, east London
Photograph: John Stillwell/PA

Gordon Brown talks to young people who have benefited from the Future Jobs Fund in Cardiff
Photograph: Christopher Furlong/Getty Images

The foreign secretary, David Miliband, talks to journalists in Bristol
Photograph: Christopher Furlong/Getty Images

Conservative and Labour supporters clash as they wave placards at the car carrying Gordon Brown in Cardiff
Photograph: Christopher Furlong/Getty Images

Brown walks into a press conference in London
Photograph: Peter Macdiarmid/Getty Images

Brown is greeted by crowds as as he visits Coventry College
Photograph: Lewis Whyld/PA

Brown andhis wife at the Airbus UK factory in Filton, Bristol
Photograph: NPA/Pool/Susannah Ireland

Conservatives (in date order): David Cameron makes a speech at the Kennington Park business centre, south London
Photograph: David Levene

David Cameron kisses a baby in Tamworth
Photograph: Adrian Dennis/Getty Images

The Conservative candidate Zac Goldsmith speaks to a local resident in Tudor, near Kingston-upon-Thames
Photograph: Steve Parsons/PA

David Cameron is pursued by a man dressed as a chicken while campaigning in Tamworth
Photograph: Adrian Dennis/Getty Images

A police officer leads away a youth who threw an egg at Cameron during his election campaign visit to Cornwall College, in Saltash
Photograph: Johnny Green/AP

George Osborne listens to Ken Clarke as he responds to the latest unemployment figures during a press conference in London
Photograph: Lewis Whyld/PA

Cameron and the London mayor, Boris Johnson, celebrate St George's Day at Leadenhall Market, in the City of London
Photograph: Johnny Green/PA

Samantha Cameron helps creosote a fence during a campaign visit to the Avon Riding Centre for the Disabled, in Bristol
Photograph: Adrian Dennis/PA

Cameron jogs along a Bristol quayside with Luke Hardy and Sarah McCarthy
Photograph: WPA Pool/Getty Images

Respect party: The Respect MP George Galloway embraces a man during a campaign visit to Watney market in Shadwell, east London
Photograph: Dominic Lipinski/PA

Democratic Unionist party: Ian Paisley Jr (right) with colleagues at the Democratic Unionist party manifesto launch in Belfast
Photograph: Paul Faith/PA

Monster Raving Loony party: Alan 'Howling Laud' Hope, the leader of the Monster Raving Loony party, shouts through a megaphone on the campaign trail in Witney, Oxfordshire
Photograph: Adrian Dennis/AFP/Getty Images

SNP: The SNP leader, Alex Salmond, during the launch of the party's manifesto at the Institution of Engineering and Technology in Glasgow
Photograph: Danny Lawson/PA

Independent Network: Martin Bell with members of the Independent Network, a group of independent political candidates, at the Frontline Club in London
Photograph: Fiona Hanson/PA