What next in the hunt for Madeleine McCann?

Madeline McCann was just three-years-old when she vanished from Praia da Luz, Portugal, back in 2007. Her disappearance sparked a world-wide search.Now, after sixteen years, the unsolved mystery is making headlines again as a fresh search begun in Portugal. So, could there finally be some answers? Or is this just a false lead in the search for the world's most famous missing girl? From the Algarve, ITV News Correspondent Emma Murphy tells Tom Bradby What You Need to Know…