Search teams on site in Portugal amid hunt for missing Madeleine McCann | AFP

Search teams are seen near an abandoned building in Portugal amid the hunt for British toddler Madeleine McCann, with police hoping to find evidence that could implicate a convicted German sex offender in her disappearance 18 years ago. Madeleine was just three years old when she vanished from an apartment on the Algarve coast where she was on holiday with her family, sparking a global campaign to find her and unprecedented media coverage.