A post mortem is taking place today on the body of Mikolaj Wilk, who was murdered in Cork yesterday.
Gardaí at are investigating the murder at The Bridge House, Maglin in Ballincollig where the 35-year-old lived with his partner.
They are both originally from Poland.
Gardaí responded to an incident at 3.17am and found Mr Wilk seriously injured with life threatening injuries.
The assailants had already fled the scene.
Mr Wilk was removed to the Cork University Hospital, where he later died.
His partner, aged in her 30s, was also taken to hospital with non-life threatening injuries.
A car, believed to be a BMW 3 series, was found on fire within 6km by road from the incident.
Both scenes are currently being preserved.
Investigating gardaí are appealing to anyone with information or to anyone who may have witnessed this incident to contact them.
People can contact an incident room based at Gurranabraher garda station on 021-4946-200, the Garda Confidential Line at 1800-666-111 or any garda station.