Following the election of President Trump, Canada has increased its initiatives to address the rising issue of undocumented immigration to the United States. Nevertheless, the start of large-scale deportations in the U.S. marks a new phase in the situation at the border. Matina Stevis-Gridneff, the Canada bureau chief of The New York Times, provides a report from the border on this developing scenario.
Source: https://www.nytimes.com/video/world/americas/100000010012208/canada-seeks-to-secure-border.html
