The province says a critical incident investigation is being launched into the death of a middle-aged man who was waiting for care at a Winnipeg hospital emergency room on Tuesday morning.

The Manitoba government says a review is being launched into the death of a man who waited eight hours in a Winnipeg emergency department, but it's not clear how much of the review will be made public.

The death of a middle-aged man who spent about eight hours waiting for care at a Winnipeg emergency department has some patient advocates raising questions about what the hospital is doing to prevent similar incidents.