Calgary police are investigating a suspicious death in Erin Woods in the city's southeast.
Officers were called to a residence on Erin Circle S.E. at about 5:40 a.m. Tuesday for reports of a man in medical distress, police said in a release.
He was pronounced deceased at the scene.
It is believed that one or more people had fled the residence before police arrived.
No descriptions of those people are available yet, police said.
Anyone with information is asked to call the non-emergency line at 403-266-1234 or the homicide tip Line at 403-428-8877.
An autopsy is set for Wednesday.