A body has been found at the back of a house in a rural area.
The body, understood to be a man, was found at about 2pm on Tuesday at a home in the Fawnagown area a few miles from Tipperary town.
it is understood that the body was found in a large tank and that it may have been there for a while.
The area around the house has been preserved for technical and forensic examinations, a spokesman said and the state pathologist and local coroner have been notified.
Dr Khalid Jaber from the pathologist's office has been tasked to inspect the body and the scene to determine if there was a violent death.
An incident room has been established at Tipperary town Garda station.
Garda investigations centre on whether the body may be connected to a 52-year-old man missing for almost two years.
Bobby Ryan was last seen on June 3, 2011 in the Fawnagown area. He was a well known DJ who went by the stage-name Mr Moonlight. His family issued an appeal for information on the first anniversary of his disappearance.
Mr Ryan was a father-of-two and had two grandsons and a granddaughter.
His Citroen van was discovered at Bansha Woods, Co Tipperary, on the day he disappeared.