A man in his 40's has been detained, and is currently being held at a Garda Station in the county.

Phase two of the north-south flagship project has been completed.

The results of a postmortem examination will determine the course of the investigation, gardaí said

The body remains at the scene which is preserved for a technical examination which is due to take place on Sunday morning.

Kiea McCann (17) and Dlava Mohamed (16) were killed in the collision on July 31st, on the way to their Debs