Gardaí in Sligo have launched a murder investigation following the discovery of a young man's body in the town.

Gardaí were called to the scene of an incident in a house at Connolly Street, Sligo, at around 1.30pm this afternoon.

A 20-year-old man was pronounced dead at the scene.

A 31-year-old man was arrested a short time later and is being questioned at Ballymote Garda Station.

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Both men are from the Sligo area.

Deputy State Pathologist Dr Linda Mulligan has arrived in Sligo and is expected to carry out a preliminary examination at the house.

Dr Mulligan will carry out a post mortem at Sligo University Hospital tomorrow.

Gardaí are appealing to anyone who may have witnessed this assault or anyone with information to contact Sligo Garda Station on 071-9157000, the Garda Confidential line on 1800 666 111 or any garda station.

Sligo murder scene