Gardaí say the results of a post mortem will determine the course of the investigation.
A forensic examination on a car, in which a six-year-old boy was found dead, in county Waterford has concluded.
The car has been removed from the scene at Rathmoylan Cove beach in the past hour and door to door inquiries are continuing.
A woman in her late 30s, arrested at the scene after midnight, remains in custody.
Gardaí say the results of a post mortem will determine the course of the investigation.

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