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.

Migrants waiting in Mexico for an appointment with the Biden administration’s CBP One app broke down in tears after learning their appointments were canceled immediately as President Trump took office on Monday.

On his first day in office, President Trump shut down the CBP One mobile application that facilitated the legal entry of migrants into the U.S. at certain ports of entry. Why it matters: Thousands of people are left stranded in Mexico,