In pictures: Madeleine McCann

A picture of Madeleine McCann from March this year Photograph: Family hand out/AP

A picture of Madeleine taken during the family's current holiday at Praia da Luz before the three-year-old disappeared Photograph: PA

May 5 2007: A picture of Madeleine is displayed on a sign on a beach Photograph: Steve Parsons/PA

May 7 2007: Kate and Gerry McCann make an appeal for their three-year-old's return Photograph: Steve Parsons/PA

May 8 2007: Kate McCann holds a photograph of her daughter and a toy Photograph: Denis Doyle/Getty

May 9 2007: A police officer stands outside the apartment where the McCanns were staying in Praia da Luz Photograph: Steve Parsons/PA

May 10 2007: A petrol station where CCTV images of two men and one woman suspected in the disappearance of Madeleine were recorded near Lagos Photograph: Melanie Mapps/Getty

May 10 2007: Chief Inspector Olegario Sousa of the Portuguese police speaks to the press in Portimao Photograph: Steve Parsons/PA

May 11 2007: Yellow ribbons in the market square of Rothley, Leicestershire, the hometown of the McCann family Photograph: Rui Vieira/PA

May 11 2007: Footballer David Beckham makes a television appeal for the safe return of Madeleine Photograph: Sky News/PA

May 12 2007: Balloons are released in celebration of Madeleine's fourth birthday in Queniborough, Leicestershire Photograph: Rui Vieira/PA

May 14 2007: Gerry and Kate McCann talk to journalists Photograph: Armando Franca/AP

May 14 2007: Police search a house in Praia da Luz Photograph: Steve Parsons/PA

May 14 2007: A photograph dated May 6 2007 of Robert Murat in Praia da Luz. Police interviewed Mr Murat as they searched the villa where he lives 150 metres from the resort where Madeleine was staying with her family Photograph: Steve Parsons/PA

May 15 2007: Gerry and Kate McCann cast a shadow on the wall of the Ocean Club resort in Praia da Luz Photograph: Armando Franca/AP

Portimao, Portugal, September 7 2007: Kate McCann and her lawyer, Carlos Pinto de Abreu, address the media as they leave the headquarters of the Portuguese police. Mrs McCann was questioned for 11 hours by officers investigating the disappearance of her daughter Madeleine Photograph: Francisco Leong/AFP