The province of Ontario has invoked a state of emergency and says it will use the threat of hefty fines, jail time and vehicle licence seizures to end a blockade that has crippled trade between Canada and the United States.
Border traffic at the Ambassador Bridge, which links Windsor to Detroit, has been shut down since Monday as part of a nationwide protest against pandemic restrictions, snarling nearly C$300m (US$235m) of trade each day.
