WINDSOR, Ont.—Police are moving in to clear the blockade at the Ambassador Bridge border crossing in Windsor, Ont., on Feb. 12. “The Windsor Police & its policing partners have commenced enforcement at and near the Ambassador Bridge. We urge all demonstrators to act lawfully & peacefully,” Windsor Police said in a tweet on the morning of Feb. 12. “Commuters are still being asked to avoid the areas affected by the demonstrations at this time.” On Feb. 11, the Ontario Superior Court granted an injunction to prevent the protesters from blocking the border crossing.  The injunction came into effect at 7 p.m. on Feb. 11, but more protesters came to the site on the evening of Feb. 11. On Feb. 12, about a dozen vehicles remain on the site, blocking the border crossing, which accounts for hundreds of millions of dollars of trade between Canada and the United States each day. …