The Trump administration is carrying out targeted immigration enforcement actions, the White House border czar told CNN on Tuesday, adding that a now-suspended program for refugees needs examination before it can continue.

Trump promises to sign executive actions to address immigration and border security. Some will likely spark legal battles.

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.

A Washington bishop asked President Trump to have mercy on undocumented migrants whom he has vowed to deport. And more than 20 states are suing over the president's attempt to end birthright citizenship,