Voting begins in European and local elections

Norland college students, after casting their votes at a polling station in Weston, Bath Photograph: Barry Batchelor/PA

Bromborough fire station in the Wirral, which is being used as a polling station Photograph: Peter Byrne/PA

A woman and her dog leave a polling station at the Parish Room, in the village of Bolton Percy, near York Photograph: John Giles/PA

Voters cast their vote at the Dryburgh Hall in Putney, London Photograph: Daniel Deme/EPA

Conservative leader David Cameron and his wife Samantha leave a polling station in London Photograph: Peter Macdiarmid/Getty Images

Boris Johnson, the mayor of London, heads straight for his bicycle after casting his vote at Laycock primary school in Islington Photograph: Fiona Hanson/PA

A dog waits for its owner as he votes in the European elections at a polling station in Innerleithen in the Scottish Borders Photograph: David Cheskin/PA

Nick Clegg, the Liberal Democrat leader, arrives with card in hand at a polling station at Dryburgh Hall in Putney, London Photograph: Lewis Whyld/PA

Voters arrive at the Poplars Inn polling station in Wingfield Photograph: Matt Cardy/Getty Images

A woman goes to vote at a polling station in the remote village of Biggin, northern England Photograph: Nigel Roddis/Reuters

Voting at Woodhall Crescent, Hornchurch Photograph: Graham Turner