President Donald Trump signed more executive orders aimed at shutting down the southern border, but the details on how migrants would be blocked from crossing remain unclear.

“Today, I will sign a series of historic executive orders. With these actions, we will begin the complete restoration of America, and the revolution of common sense,” said Trump, who at midday Monday became only the second U.S. president to serve nonconsecutive terms, after Grover Cleveland in the late 1800s.

President Donald Trump signed a flurry of executive orders aimed at immigration on his first day in office. Here's what we know about them.

From ending birthright citizenship to declaring an emergency at the southern border, Trump signed several orders restricting immigration.

President Trump signed a flurry of executive orders on immigration on his first day in office, taking a number of actions that would severely restrict immigration while driving a greater military presence at the border.