The Trump administration argues that migrants stopped on the Mexican side of the southern border have not "arrived in the U.S." and therefore have no right to seek legal protection on American soil. Immigrant advocacy groups challenging the Trump policy insist that blocking asylum seekers is plainly against the law.

President Donald Trump has yet to make a decision on whether to attack Venezuela on land, a White House official and a senior US official said, as he hints a window may be opening for diplomacy.