In his first week, President Donald Trump declared a national emergency at the U.S. southern border, reinstated some of his first-term policies and ended programs that allowed people to legally enter the U.

President Donald Trump set in motion some of his most controversial immigration promises during his first week back in office, declaring a national emergency at the United States’s southern border, ordering his administration to reinstate some of his first-term policies and ending programmes that allowed people to legally enter the US.

President Trump began his immigration crackdown with a flurry of executive orders. Immigration experts say they lay out how he hopes to transform enforcement at the southern U.S. border and beyond.