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.

WASHINGTON − President Donald Trump on Monday declared a national border emergency and ordered the U.S. armed forces to repel "forms of invasion" at the U.S.-Mexico border, including illegal migration and drug trafficking.