A 48-year-old man was stabbed while in a vehicle on Sunday morning in TMR.
The victim was assaulted by another occupant of the same vehicle near a service station at the intersection of Jean-Talon and Lucerne, according to police. The incident happened at around 3:20 a.m.
The suspect fled the car but was found and arrested a few minutes later.
The victim is in hospital in serious condition.
The motive for the attack is not yet known.