The border rule change went into effect late Friday, closing the small and unofficial crossing where tens of thousands of asylum seekers have entered Canada in the past few years.
A Haitian migrant family became one of the last to possibly benefit from a loophole in a decades-old asylum agreement on Friday, one day after U.S. President Joe Biden and Canadian Prime Minister Justin Trudeau jointly announced changes to the treaty that would restrict certain migrants from seeking protections in Canada.