Gardaí have arrested three men and a woman today in relation to the death of a man in Limerick on Monday morning.
Dariusz Waiskowski (26), a Polish national, was found with serious head wounds at an address in Briarfield, Castletroy at 1am last Monday.
He later died in hospital as a result of his injuries.
The four people arrested this morning are being held at different garda stations throughout the city.
READ MORE
Three are being held under Section 30 of the Offences Against the State Act, the fourth under Section 4 of the Criminal Justice Act.