The Ontario Provincial Police and the Northwest Region Forensic team have been asked to review the circumstances surround the sudden death of a man in Cat Lake First Nation.
Nishnawbe-Aski Police were called to assist staff with a man who was being examined at the nursing station on Thursday.
The man suddenly stopped breathing and efforts to revive him failed.
The deceased has been identified as 34-year-old Romeo Gerald Wesley of Cat Lake First Nation.