Gardaí are investigating the discovery of a body on land in Blackrock Park, south Co Dublin on Thursday morning.
The body appears to have been in situ for a period of time before being discovered, gardaí said.
The scene was being preserved for technical examination and the body has been removed for a post mortem. Gardaí said the results of the post mortem will determine the course of its investigation.
Services on the nearby Dart train line were disrupted for a time but have since returned to normal.