Detectives searching for Madeleine McCann want to identify a man they say is of "vital importance".
They've produced two e-fit pictures of what they think is the same man.
He was spotted in the Portuguese town where the three-year-old went missing in 2007.
A fresh TV appeal's being broadcast across Europe, including on the BBC's Crimewatch tonight, where Madeleine's mum Kate says her parenting skills are not on trial.
