Scotland Yard is to begin questioning four formal suspects in the investigation into the disappearance of Madeleine McCann, ITV News understands.
Officers will begin questioning the four people - identified as arguidos, meaning formal suspects - tomorrow at a police station in Faro, Portugal.
Eight key witnesses will also be questioned.
The three-year-old vanished while holidaying with her parents in Praia da Luz in 2007.
More top news
50 five-foot-high Shaun the Sheep sculptures designed by well-known artists and celebs installed across London.
Women, including victims of human trafficking are missing out on care because of confusion over 'health tourists', a charity has warned.
Coalition failures have led to a drop in illegal immigrants being deported and fewer illegal drugs being seized, Yvette Cooper will claim.