The US-Mexico border is effectively closed off to migrants seeking asylum in the United States within hours of President Donald Trump taking office, an extraordinary departure from previous protocols that has left many concerned migrants in limbo.

Hours after Trump’s inauguration, his administration canceled appointments allowing migrants to enter the U.S. to request asylum, leaving many of them stranded on the U.S.-Mexico border.

Trump underscored his intention to use tariffs as a tool of international economic policy and an increasingly vital source of government revenue.

President Donald Trump told reporters hours after taking office that he was considering levying a blanket duty on Mexico and Canada on Feb. 1.