The CBP One app, a government platform that the Biden administration used to admit more than 740,000 immigrants into the United States, was shuttered within moments of President Donald Trump taking office this afternoon.

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

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.

Migrants who waited months to cross the U.S. border with Mexico learned their CBP One appointments had been canceled moments after Donald Trump was sworn in as president.

The Trump administration is ending 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.

President Donald Trump has lifted long-standing restrictions on migrant arrests at sensitive locations such as schools and churches, reversing policies set by ICE and CBP over the past decade.

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

"The first 100 days are going to be the most aggressive, change oriented policy proposals and procedures that we've ever seen," KOAT political expert Brian Sanderoff said.

On the second day of his presidency, Donald Trump secured yet another victory from his ally Judge Aileen Cannon.

Two high-profile prisoners have been released after Trump issued nearly 1,600 pardons and commutations in connection with the attack.

Here’s what we know so far about ICE enforcement operations in the wake of several immigration-related executive orders signed by Trump.