At approximately 3:45am this morning, gardaí responded to an incident at the M50 Toll Bridge where a woman was behaving erratically.
Upon arrival of emergency services, the body of the woman was discovered under the bridge at the Lower Road at the Strawberry Beds.
When the woman’s body was identified, gardaí went to her home in Lucan where her seven-month-old baby boy was found dead.
Both bodies are to undergo a post-mortem examination to determine the course of the investigation.
The incident is being treated as a family tragedy.