The CBP One app has been highly popular, functioning as an online lottery system that grants appointments to 1,450 people daily at eight border crossings. These individuals enter the U.S. under immigration "parole," a presidential authority that Joe Biden has exercised more frequently than any other president since its creation in 1952.

On Monday, appointments were canceled for people looking to cross the U.S. border just minutes after President Donald Trump took his oath of office.

The orders include declaring a national emergency to deploy military personnel to the border, suspending refugee resettlement and ending birthright citizenship.

President Donald Trump began his term by taking a series of sweeping immigration executive actions Monday that included declaring a national emergency at the US southern border, immediately ending use of a border app called CBP One that had allowed migrants to legally enter the United States,

President Donald Trump on Monday kicked off his sweeping immigration crackdown, tasking the U.S. military with aiding border security, issuing a broad ban on asylum and taking steps to restrict citizenship for children born on U.

President Donald Trump has promised swift action on immigration, asylum and border security as he takes office today.

Border Patrol agents were given the edict by the Trump administration on President Trump’s first full day in office Tuesday. It represents a seismic shift from the “catch-and-release” open border days of the Biden administration, during which around 8 million illegal immigrants flooded into the country.

Down at the El Paso City Hall and Enrique Moreno County Courthouse, officials are discussing what's to be expected in El Paso with President Trump's newest executive orders to secure the southern border.

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.

Ahead of Trump’s inauguration, the southern border witnessed an outflow of persons who secured entry under Biden’s tenure, with news outlets pointing to large columns of people marching out of the United States.