Locals in West Dublin have been expressing their shock at the death of a man folllowing a stabbing incident in Mulhuddart.
Gardai were called to an apartment in Castlecurragh Heath, shortly after 6pm yesterday where they found a man in his 20s with serious injuries.
He was treated at the scene but died a short time later.
The Office of the State Pathologist has been notified and his body remains at the scene.
A man in his 40s has been arrested, and is being questioned at Finglas Garda Station.