Mary Boyle: Man freed over girl's disappearance in 1977
A man arrested over the disappearance of a six-year-old girl in County Donegal 37 years ago has been released without charge.
Mary Boyle went missing on 18 March 1977 while visiting her grandparents at Cashelard, Ballyshannon.
A 64-year-old man was arrested on Tuesday but was freed by police on Wednesday.
The police said that pending further investigation, a file would be sent to the Director of Public Prosecutions.
A fresh review of what is the Republic of Ireland's longest running missing persons case began in 2011.
Police said it was a significant ongoing investigation that has involved interviewing a wide range of people and undertaking a number of searches aided by forensic and geology experts.
A police family liaison officer has been keeping Mary's mother Ann informed about developments in the case.