A man in his late 20s has been arrested after a boy was found dead in Limerick.
The discovery was made at a house in the Ballynanty area of the city shortly after 7pm.
It is believed the child sustained a number of injuries. He was pronounced dead at the scene.
Gardaí are treating the child's death as suspicious.
The scene has been sealed off, the State Pathologists Office has been informed and the Garda Technical Bureau have been alerted.
The man in custody is being detained at Henry Street Garda Station.
The investigation is ongoing.