Edmonton's murder police are investigating the death of a woman as a case of domestic violence.
Police said officers were summoned to his home on Friday morning to check a report on a gun attack and found the body of a 49-year-old woman.
Researchers say a 53-year-old man later turned around.
Police say the man is being held in custody and pending charges.
The man and the woman were familiar to each other, and the police said they were not looking for other suspects.
An autopsy has not yet been determined.