British police joined their Portuguese counterparts in a thorough search of the area of scrubland in Praia da Luz, where efforts to locate missing Madeleine McCann are being focused.
Police were seen collecting soil samples from a flat inside the cordoned off area, and teams are also thought to be using ground-penetrating radar equipment, looking for clues that could indicate disturbed soil.
Police have shifted their investigation from the centre of the town where Madeleine McCann went missing to an area of scrubland a mile away.
Madeleine McCann search police are focusing on an area where ground-penetrating radar equipment has picked up an image beneath the soil.
Seven years on from Madeleine McCann's disappearance, British detectives are in Portugal to meet with police.