Who is Madeleine McCann and what happened to her?

Madeline McCann disappeared in 2007. File Picture: PA
Portuguese police were searching a reservoir on Tuesday about 50km from where British three-year-old Madeleine McCann disappeared in 2007, authorities said.
The move was the most recent development in the search for McCann whose disappearance 16 years ago triggered a global hunt and garnered huge media attention.