A male sustained a slash wound to his hand following an altercation at a west-end bar shortly after midnight.
It happened at Toronto Style Bar & Grill on Bloor Street near Dundas Street.
Police say the victim got into some sort of altercation with another man, at which point he was slashed in his hand with a knife.
He was taken to hospital with non-life threatening injuries.
The suspect fled the scene and has not been located.
Police have not released a description of the suspect at this point.