A 65-year-old Calgary man who was attacked Sunday at home in Royal Oak, northwest Calgary, has died in hospital.

Alexander Potoroka was the victim of an alleged assault this weekend.  He was taken to hospital Sunday and died Monday.

42-year-old Shaun Peter Desautels was arrested at the scene.  Has been charged with uttering threats and aggravated assault, police are looking at upgrading the charge.

The accused man was apparently Potoroka's tenant.