Gardai are investigating after a man was killed in a stabbing incident in Dublin last night.
A man in his 30's is being questioned in connection with the incident
The scene in Dublin city centre remains sealed off this morning.
Gardai are awaiting the arrival of the State Pathologist.
Gardai believe a row broke out between a group of squatters in a derelict buildings near the O2.
The victim, a man in his 40s, was stabbed to death while another man is being treated for minor injuries.
The alarm was raised after security at the 02 spotted a man in his 30s covered in blood in the area.
He was arrested and taken in for questioning.
The area remains sealed off this morning and the body is still at the scene.
The Office of the State Pathologist has been notified and a preliminary examination of the body will be carried out at some stage this morning.
