Donald J. Trump was sworn in as the 45th United States President in an event that drew nearly 900,000 people to Washington D.C. while millions watched worldwide.
Activists run after being hit by a stun grenade while protesting against Trump on the sidelines of the inauguration in Washington. (Reuters)
Trump's Middle East policy
Donald Trump speaks after taking the oath of office during his inauguration at the U.S. Capitol in Washington. (Reuters)