Gardaí have launched an investigation into the death of a man in Limerick who found intruders in his home.

The 62 year old collapsed at the back of his house in Doon at about two o'clock this afternoon.

His sister called emergency services after making the discovery and he was pronounced dead at the scene.

Following a short search Gardaí arrested an 18 year old and a 32 year old - both men in connection with the incident.

They are being detained at Henry Street Garda station in Limerick under section 4 of the Criminal Justice Act.