Gardaí say their investigations are ongoing.
Gardai in Dublin have launched an appeal for witnesses after a man in his 60s was found in a critical condition in Swords.
He was discovered at about 2.30pm yesterday afternoon.
The man was found with serious injuries on a walkway beside the Malahide Road Roundabout.
He's been taken to Beaumont Hospital for treatment where he remains in a critical condition.
Gardai have asked anyone who was in the area between 1pm and 2pm yesterday to come forward.
They're also keen to see any video or dash cam footage from that part of Swords.

High Court Judge Orders Enoch Burke Back To Prison, Calling Him A “Baleful And Malign Presence”
BREAKING: Simon Harris Announced As New Minister For Finance
Council Says Sarto Road Site Has No "Significant Contamination” As Build Advances On Locals’ Green Space
Nine Arrested In North Kildare Retail Crime Crackdown
Wheelchair-Bound Woman From Suncroft Left "Distressed" After Pack Of Hunting Dogs Burst Into Garden
Finance Minister Paschal Donohue To Resign From Cabinet To Take Up Position At The World Bank
Hundreds Of Kildare Households Got Average €228 In Storm Aid After Éowyn
Government Poised To Approve Statutory Public Inquiry Into Children’s Spinal Care