Nearly one million people were granted parole in the United States as they pursued their asylum cases through the application. At least 30,000 CBP One appointments across the southern border were canceled, with over 270,000 migrants continuing to log in daily to seek an appointment.

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.

The Trump administration Monday ended use of a border app called CBP One that has allowed nearly 1 million people to legally enter the United States with eligibility to work.

Trump administration officials minutes after the new president took office on Monday shut down a mobile app for migrants to make appointments at the U.S.-Mexico border. By shutting down the CBP One app,

Existing appointments scheduled through CBP One are no longer valid,” the alert read.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,

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.