Several inaugural balls and celebrations took place across Washington, D.C., on Friday night. Trump and First Lady Melania Trump appeared at three of those celebrations.
The new White House took action on four measures Friday night, notably on the Affordable Care Act and regulations. The White House did not immediately make it clear what exactly was signed.
One inauguration protest erupted into conflict; officers in riot gear sent a concussive device into the crowd of several hundred. The interim police chief says protests elsewhere have been peaceful.
When the clock struck noon, the White House website switched over to signify Donald Trump becoming the new president. And on that site, Trump laid out how he would approach the world.
For decades, U.S. authorities have been preparing to prosecute one of the world's most feared drug traffickers. They say they are seeking a life sentence and $14 billion in forfeited drug proceeds.
As Donald Trump was sworn in as the 45th U.S. president Friday, protests and demonstrations were underway around the world, from London to Manila. There were a few celebrations, too.