Madeleine McCann: Search team finds 'evidence' in abandoned houses

Teams investigating the disappearance of 18 years ago have taken samples of potential evidence from properties near Praia Da Luz in Portugal. Emergency services, including police from and Germany as well as firefighters, were looking into abandoned property near the area where .

The teams were seen using pickaxes, shovels and chainsaws to clear dense vegetation and dig near a derelict building. Firefighters pumped water out of a well.

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