An accident at the edge Ahuntsic-Cartierville and Saint-Laurent on Sunday afternoon trapped a man in his car for approximately one hour.
Montreal police spokesperson Manuel Couture said the man in 30s sustained injuries to his arm.
Police were called at 12:30 P.M. regarding the six vehicle accident on Henri-Bourassa at the Marcel-Laurin/Laurentien Blvd. intersection, said Couture.
The pileup saw one car flipped over on its side, as well as two other vehicles on top of one another.
There were other minor injuries as a result of the incident.
The cause of the accident is still under investigation.