Invoking presidential emergency powers gives the president the ability to go around Congress and unlock federal funding to crack down at the border.

Trump pledged to declare a national emergency at the country’s southern border and “begin the process of returning millions of criminal aliens” to their home countries. The president said he would reinstate the “Remain in Mexico” program that began under his first administration.

By Ted Hesson and Steve Holland WASHINGTON (Reuters) -President-elect Donald Trump plans to take a flurry of executive actions aimed at cracking down on legal and illegal immigration and ramping up deportations after he enters the White House on Monday,