An association fighting for the stolen children and their families, Anadir, presented the demand at the Madrid attorney general's office with evidence including DNA tests and testimony from nurses who admitted stealing babies.

The demand was made on behalf of the victims and families of 261 snatched babies. Anadir lawyer Enrique Vila said many others are expected to join the complaint.

"We get more and more calls from people who have doubts about their origins, because they have no physical resemblance with their parents or grandparents, or because their parents had them at an advanced age and they are single children," he said....