The weather on the night in question was extremely wet and there was a taxi strike in progress.

State Pathologist, Dr Sally Anne Collis and Forensic Anthropologist Laureen Buckley have carried out preliminary examinations at the scene on Saturday afternoon.

Gardaí said they have completed the searches of the property and adjoining lands in Dundalk, Co Louth.

Conor and Sheila Dwyer from Fermoy, Co Cork, vanished without a trace 33 years ago