TYB
The last time Canada turned it's troops on it's own citizens was During the October Crisis, when Castro Jr's pretend father did it.
https://www.thecanadianencyclopedia.ca/en/article/october-crisis
Rebel News: Police arrest one and confiscate equipment at Coutts border protest Sunday night
https://www.rebelnews.com/police_arrest_one_and_confiscate_equipment_at_coutts_border_protest_sunday_night