An argument between a man and a woman on the streets of the Ville Marie borough ended in a stabbing.
Police were called to the corners of Maisonneuve and Berri at about 1:15 A.M.
At the scene they found a 31-year-old woman with stab wounds to her upper body. She was taken to hospital and is expected to recover.
The suspect, a man in his 40s, fled the scene before police arrived.
Investigators say the woman and man knew each other.
The intersection is closed while police go over the scene.