Police in Thunder Bay are investigating a homicide at McIvor Court.
Officers were sent to the area just before 10:00 p.m. on Tuesday.
When they arrived they found a man with life-threatening injuries and they were transported to a local hospital.
The victim a 34-year-old man from Thunder Bay has since died.
A post-mortem is taking place in Toronto on Friday to shine a light on the cause of death.
Police say a gun was not involved in the incident but some sort of weapon was.
They also do not believe this was a random act of violence, but an altercation between two people that grew violent.
A visible police presence remains in the area.
The Major Crimes and Forensic Identification Units are involved in the ongoing investigation.
