Hours after being sworn in as president for a second time, President Trump signed executive orders declaring a national emergency on the U.S.-Mexico border and calling for more barriers as part of an aggressive crackdown on undocumented immigrants.

Trump campaigned on border security promises, and he and his allies argue that his electoral win is an endorsement of his upcoming actions on the issue.

U.S. President Donald Trump's administration on Tuesday announced that it had rolled back Biden-era guidance that limited federal immigration arrests near sensitive locations, including schools, hospitals and churches.