Calgary police are looking into the death of a man who was found in medical distress inside a southeast home on Sunday afternoon.

At about 3:00 p.m, police were called to a home in the 200 block of Forest Road S.E. for reports of an altercation.

When they arrived there with EMS, they found a man who was not breathing.

He was taken to hospital in life-threatening condition, but he later died.

Investigators are working on the case, but believe the man to be a victim of a targeted attack. Another man is in custody for questioning.

An autopsy is ongoing.

Anyone with information about this incident is asked to contact the Calgary Police Service non-emergency line at 403-266-1234. Tips can also be left anonymously by contacting Crime Stoppers using any of the following methods:

TALK: 1-800-222-8477
TYPE: www.calgarycrimestoppers.org
TEXT: tttTIPS to 274637