Gardaí in Dublin are investigating a serious assault on Camden Street in the early hours of this morning.
A French man, believed to be in his 20s, was taken to St James's Hospital with a head injury.
It happened shortly after 4am, when the man and two of his friends, were involved in a row with three men, believed to be in their 20's.
The three suspects left the scene in the direction of Rathmines.
The scene has been sealed of for forensic examination.
Anyone who was in the Camden Street area between 4am and 5am is asked to contact Kevin Street Garda Station