Police west of Toronto say the death of two boys, aged nine and 12, are being investigated as homicides.
Peel Regional Police say they were called to a residence just before 11 p.m. Wednesday night in Brampton, Ont.
They say the boys were found dead when officers arrived at the scene.
Homicide and missing persons investigators are still working to figure out what happened at the scene.
Investigators say the deaths are an isolated incident and that there is no threat to the public.
Police say the incident marks Peel Region's 24th and 25th homicides this year.