The man who died under suspicious circumstances in Limerick this morning was the victim of a serious assault, according to post mortem results.

The victim, who was 26 and a Polish national, was found with serious head injuries at a house in the Hawthorn estate of Briarfield, Castletroy, at 1am this morning.

He was brought to the Mid Western Regional Hospital but died several hours later.

It is understood the man also had a number of marks on his body.