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

Denis Jr’s partial remains were recovered by gardaí 28 days after he went missing but his family were unaware for 25 years

Sandra Collins was 28 years old when she disappeared in Co Mayo.

The 25-year-old was described as being 5ft 5in in height, with long blonde hair and was seven months pregnant when she went missing.

Antoinette Smith disappeared on Dublin’s O’Connell Street 35 years ago