Thunder Bay police are reporting a homicide.
They say that a 60 year old man died after being assaulted in the Casablanca Apartments at 1021 Simpson Street.
Police say when they arrived at the scene at around 3:30 they located a man in the process of assuaulting the victim.
They say the accused was not apprehended peacefully.
A 37 year old man is in custody.
The victim was taken to the Health Sciences Centre where he died of his injuries
.No names have been released and further information is expected once police end their investigation.