Toronto police say a suspect is in custody after a woman in her 80s was stabbed inside a residence in Scarborough.
Emergency crews responded to the scene near Sheppard Avenue East and McCowan Road around 1:40 p.m. on Friday.
Police initially said the woman suffered serious injuries but in an update confirmed that her injuries are life-threatening.
Investigators say the suspect was taken into custody in the area.
The relationship between the woman and the suspect is not yet known.
The investigation is ongoing.