blocking people from crossing the border into canada. >> the canadian border services agency is already turning back non-canadians trying to enter canada to participate in blockades. >> reporter: for the past three weeks, truckers have been clogging the strwa. disrupting daily life. shutting down schools and businesses. to protest vaccine mandates and all covid restrictions. but tonight, the ambassador bridge, the busiest land border crossing between the u.s. and canada, is back open. police finally clearing the remaining protesters sunday, arresting more than two dozen people. the end to the week-long blockade can't come soon enough for american automakers. chrysler, ford, and general motors forced to shut down plants and cancel shifts. due to the disruption in the supply chain of car parts. david, this new emergency deployment, which will not involved the military removing protesters, could last as long as 30 days. david? >> pierre, thank you. now to the pandemic.