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.

Russell Brand Found Guilty of Rape and Three Counts of Sexual Assault
ICTU Announces Plans For Next Week's Public Sector Strike
Aer Lingus Flight From Dublin Diverted Due To Emergency
Oireachtas Media Committee Chair Describes RTÉ's Appearance As "Farcical"
Robert O’Connor Found Guilty Of Manslaughter Of Parents And Brother In Co Louth
Parts Of Dublin Centre To Be Closed Off Next Week For EU Presidency Events
Charging EVs At ESB Chargers Now More Costly Than Fuel Cars
Minister Lawless Launches Expression Of Interest For Delivery Of New Third Level Accommodations