A Scotland Yard detective has revealed that they are investigating 38 people in connection with the disappearance of Madeleine McCann. Madeleine, from Rothley in Leicestershire, disappeared while on holiday in Portugal in May 2007.
The Prime Minister today welcomed the news that the Metropolitan Police is to investigate Madeleine McCann's disappearance.
He was criticised by opposition MPs two years ago when, after receiving a letter from Madeleine's parents, he asked the Met to review the evidence in the case.
The Met Police said there are 38 people of interest in the Madeleine McCann case. Here is a timeline of the key events in her disappearance.
What happened to Madeleine? It is likely only one person knows the answer, and finding that person is the focus of a British investigation.