US urges Canada to end trucker border blockade as mayor says protesters could be removed by force

Authorities work on alternative travel routes as protest hits auto production and injunction sought to remove Ambassador Bridge demonstrators

The US government has urged Canada to use federal powers to ease the growing economic disruption caused by the blockade of the vital Ambassador Bridge by protesters opposed to coronavirus mandates.

The closure of North America's busiest international land border crossing, a vital supply route for Detroit's carmakers, has halted some auto output and left officials scrambling to limit economic damage.