A seven-year-old boy is dead and five-year-old girl in critical condition in what Prince Albert police say was a triple homicide in the city Sunday afternoon.

The other two victims were a woman and man, both 56.

Police say they were called to a residence in the 300-block of MacArthur Drive around 4 p.m.

Officers say all three victims were deceased upon their arrival.

The girl was transferred to Edmonton hospital.

Prince Albert Police Service say they do not believe the incident to be random.