Three men arrested following an incident in Co Waterford in the early hours of Friday morning have been released without charge.
A post-mortem was carried out on the body of a teenager yesterday, found after an incident at a senior garda's home in Dungarvan.
The officer received a head injury in an altercation with a number of youths.
A short time later the body of an 18-year-old man was found at a nearby stream.
Gardaí arrested three men for questioning. They have since been released without charge.