A 27-year-old man is in hospital after being stabbed in his downtown Montreal apartment. A young woman who saw the attack was taken to hospital and treated for shock.

Police arrested a 25-year-old man at the scene and questioned him overnight.

Officers say the attacker showed up at the Lincoln St. apartment around 11:30 p.m. and, once inside, got into a fight with the other man. Police do not yet have a motive for the assault.