A man in his 30s has been hospitalised after he was stabbed on Grafton Street this morning.
He has been taken to St James’ Hospital where he is being treated for serious injuries.
Gardaí said they have arrested a man, also in his 30s.
He has been taken to a Dublin City Centre Garda Station where he is being detained under Section Four of the Criminal Justice Act.
Investigations into the incident are ongoing.