President Donald Trump's promises of mass deportations, which could bring batches of new arrivals fresh off the border bridges into Juárez, has Mexican law enforcement preparing to keep watch for potential trouble.

By Ted Hesson and Alexandra Ulmer WASHINGTON/PIEDRAS NEGRAS, Mexico (Reuters) -President Donald Trump on Monday kicked off his sweeping immigration crackdown, tasking the U.S. military with aiding border security,

The president signed a series of orders that signal a dramatic change to immigration policy and left hundreds of migrants stranded at the southern US border.

The Trump administration cancelled a program aimed at easing the process of applying for asylum, leaving thousands of asylum-seekers disappointed and unsure of what to do next.

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.

Mexican drug gangs are a driving force behind the U.S. fentanyl crisis and Trump vowed to crack down on cartels during his successful presidential campaign.

U.S. President Donald Trump on Monday signed executive orders declaring illegal immigration at the U.S.-Mexico border a national emergency, designating criminal cartels as terrorist organizations, and targeting automatic citizenship for U.

President Donald Trump is planning sweeping new executive actions designed to crack down on illegal border crossings and target undocumented migrants already in the US.