As countless asylum hearing appointments were canceled Monday, those who had already trekked across the McAllen-Hidalgo International Bridge on the day Trump was inaugurated underwent three-hours of processing before making their their way to shelters and other temporary housing.

ATOTONILCO DE TULA, Mexico — When Dayana Castro heard that the U.S. asylum appointment she waited over a year for was canceled in an instant, she had no doubt: She was heading north any way she could.

On the day of President Donald Trump's inauguration, the government application CBP One, which migrants used to submit a legal visa application, ceased functioning. The CBP One application was introduced by Joe Biden's administration to reduce illegal crossings of the Mexico-US border.

Existing appointments scheduled through CBP One are no longer valid,” the alert read. In a move fulfilling one of now-President Donald Trump’s campaign promises, the Trump administration shuttered the use of CBP One,