A Luas security guard was one of two people stabbed during an incident at a tram stop in South Dublin last night.
Shortly before 8pm, an altercation broke out between three men on the Luas platform at Miltown and a man in his 20s was injured.
Two Luas security guards intervened and one was also stabbed.
Two men were arrested - one, in his 30s, is being detained at Rathmines Garda Station.
The second man, in his 20's, was taken to hospital for treatment.
Chief reporter with the Herald Newspaper Conor Fehan says he sustained a number of stab wounds: