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.

Kildare Among Worst Affected Counties As 54,000 Lose Power Nationwide
Majority Of Councillors Vote To Suspend Pay Parking In Naas During Christmas Period
Children's Minister Announces Reforms Of Assessment Of Need Process, Admits System Is Broken
Ireland Secures Extension Of Nitrates Derogation To 2028, Minister Heydon Confirms
Watch: Backlash As Government Video Advises Young Adults How To Cope If They Move Back Home
Kildare Among Country’s Top Christmas Spenders As Average Outlay Tops €2,000
Kildare Under Orange Wind Alert From 11am Today
Gardaí Probe Whether Fatal Edenderry Firebombing Was Directed From Prison By Kildare-Offaly Gang