Police say missing Madeleine McCann may be alive
None
British police say they have launched a full investigation into the disappearance of Madeleine McCann, and want to trace 38 "persons of interest" in the case. Detectives say it's possible that Madeleine, who vanished from a Portuguese holiday resort six years ago, is still alive.
McCann vanished from a vacation home in Portugal's Algarve region on May 3, 2007, days before her fourth birthday. The case has generated intense media interest. (AP)