No one was injured.
Montreal CEGEP Marie-Victorin was evacuated as a preventative measure on Tuesday following a report of a man carrying a firearm outside the school.
The SPVM received a 911 call about the sighting at around 1:30 p.m. Montreal police spokesperson Véronique Dubuc said the man was seen in a group of people entering the school.
Police confirmed the group left the premises after officers evacuated the building.
The SPVM conducted a search of the school and did not find a firearm.
Dubuc clarified that no one had been threatened or injured.
Police stopped one man but later released him after determining that he was not connected to the incident.
Marie-Victorin closed for the remainder of the day and the event is under investigation.