Gardai are investigating the discovery of a man's body in Dublin this evening.

The body of a man-who is believed to be in his 50's -was found at a house in Mourne Park, Skerries at approximately 6 o'clock.

The scene has been preserved for a technical examination and the Office of the State Pathologist has been notified.

A man in his late 20s was arrested nearby, shortly after the discovery.

He is been detained at Ballymun Garda Station under Section 4 of the Criminal Justice Act.