Gardaí this morning carried out six searches across Wicklow and Dublin as part of their investigation.
A man in his 40s has been arrested in connection with a shooting in Wicklow on December 14th.
Clinton McCormack died following the incident at a building site in Delgany, while a teenager suffered injuries.
Gardaí this morning carried out six searches across Wicklow and Dublin as part of their investigation.
The man arrested is being detained at a Garda Station in the Eastern Region, where he can be questioned for up to 24 hours.

Teenager Dies On E-Scooter Following Collision On Clare-Limerick Border
SSE Airtricity Customers To See Gas And Electricity Price Hikes From October
Russian Ambassador Says Irish Government "Cannot Be Treated As A Friendly One"
Two People Arrested In Connection With Shooting Near Dublin Shopping Centre
New Report Shows House Prices Are 17% Overvalued
Boy Dies After Train Collides With Car In Mayo
E-Scooter Ban For Under 18s Could Be In Place By October
Teenager Charged After Alleged Wrong-Way Driving Incident In Cork City