but the police chief warns this remains, as it was from the beginning, an increasingly volatile and increasingly dangerous demonstration. reporter: and it is spreading like a contagion itself. across the country, a handful of protests including a border blockade between alberta and montana. and canada s loorgeest city, toronto, closing a large section in front of the provincial legislature this weekend as truckers descend. and more worrying, closing off the adjacent hospital row where exhausted health care workers carry on, battling covid. anyone who attempts to disrupt hospital access and routes of emergency operations including ambulance, fire, or police, will be subject to strict enforcement. [ horns honking ] reporter: and yet both police and political leaders are warning this now resembles an occupation. with no quick or easy end.