A man aged in his 20s has been killed in a stabbing in Dublin this afternoon.

The attack happened in the car park of an apartment block at Larch Hill in Santry at around 3 o'clock.

Emergency services were called to the scene and the man was taken by ambulance to Beaumont Hospital where he was pronounced dead.

Gardai arrested a man, also aged in his 20s, a short time after the incident.

He's being detained at Ballymun Garda Station under Section 4 of the Criminal Justice Act.

The scene has been sealed off for a forensic technical examination, while the office of the State Pathologist has been notified.

Gardai are appealing for any witnesses to the incident to contact them.