Several migrants said they had recently arrived in Ciudad Juarez, Mexico after weeks of travel, only to find their CBP One appointments were cancelled.

U.S. border authorities said they had shut down outgoing President Joe Biden's CBP One entry program, which had allowed hundreds of thousands of migrants to enter the U.S. legally by scheduling an appointment on an app.

From an order tackling the definition of birthright citizenship, to an order declaring the illegal immigration at the border a national emergency, Trump swiftly made moves on his promises to tighten the US-Mexico border.