The impact on the border of Trump’s inauguration was immediate. Moments after Trump was formally sworn in, people waiting at border crossings in Mexico reportedly had their asylum appointments canceled by Customs and Border Protection,

President Donald Trump issued a series of executive orders related to immigration on his first day in office, including declaring a national emergency at the border. He made the actions official during a signing at the Oval Office on Monday.

President Trump is planning to invoke muscular presidential powers to begin a sweeping crackdown on immigration.

Hours earlier, thousands of would-be migrants had their immigration appointments cancelled after the new administration scrapped CBP One, an app used to book appearances at ports of entry at the border. In his inaugural address, Trump vowed that "all illegal entry will be halted" and that millions of "criminal aliens" will be deported.

Trump is declaring a national border emergency and taking others steps to curb immigration. Here's what that means.

WASHINGTON - Newly sworn-in U.S. President Donald Trump said on Monday that he would declare illegal immigration a national emergency, send troops to the U.S.-Mexico border, and reinstate his "remain in Mexico" policy as part of a sweeping immigration crackdown.