A Garda has been arrested as part of an investigation into the leaking of information to the media.

It follows a probe by senior officers into complaints raised in the Roma report by the Children's Ombudsman last July.

That report was launched to examine the Garda handling of the cases of two blonde Roma children who were removed from their families two years ago on suspicion that they had been abducted.

Reporter with the Irish Examiner Cormac O'Keeffe says senior officers were ordered to investigate whether the leak came from within the Gardai or the HSE - and determined that the information most likely came from the Gardai: