A man has been rushed to a trauma centre after being stabbed three times on Sunday evening.
Toronto paramedics say they were called to the Rathburn Road and Renforth Drive area at 6:20 p.m.
Police say that the victim is in his 20s and was stabbed three times in his back.
It is believed that the stabbing occurred after an altercation between two groups of males, police say.
Four males are in custody.