Photos: Donald Trump sworn in as president

Donald Trump was sworn in as the president of the United States on Friday, succeeding Barack Obama.

Trump said his presidency would aim to help struggling middle-class families, build up the U.S. military and strengthen U.S. borders.

Trump, 70, takes over a country divided after a savage election campaign.

1/11: President-elect Donald Trump arrives for the inauguration ceremonies swearing him in as the 45th president of the United States on the West front of the U.S. Capitol in Washington, U.S., January 20, 2017. REUTERS/Lucy Nicholson

2/11: U.S. Vice President-elect Mike Pence (L) and incoming first lady Melania Trump (center, L) watch as U.S. President-elect Donald Trump waves as he arrives to be inaugurated during ceremonies on the Capitol in Washington, U.S., January 20, 2017. REUTERS/Carlos Barria

3/11: U.S. President-elect Donald Trump greets outgoing President Barack Obama (R) before Trump is inaugurated during ceremonies on the Capitol in Washington, U.S., January 20, 2017. REUTERS/Carlos Barria

4/11: U.S. President-elect Donald Trump arrives for the inauguration ceremonies swearing him in as the 45th president of the United States on the West front of the U.S. Capitol in Washington, U.S., January 20, 2017. REUTERS/Brian Snyder

5/11: Donald Trump, wife Melania and son Barron, attend his inauguration ceremonies to be sworn in as the 45th president of the United States on the West front of the U.S. Capitol in Washington, U.S., January 20, 2017. REUTERS/Lucy Nicholson

6/11: The inauguration ceremonies swearing in Donald Trump as the 45th president of the United States take place on the West front of the U.S. Capitol in Washington, U.S., January 20, 2017. REUTERS/Brian Snyder

7/11: U.S. President Donald Trump (L) takes the oath of office from U.S. Supreme Court Chief Justice John Roberts (R) with his wife Melania, and children Barron, Donald, Ivanka and Tiffany at his side during inauguration ceremonies at the Capitol in Washington, U.S., January 20, 2017. REUTERS/Carlos Barria

8/11: U.S. Vice President Mike Pence is sworn in by Supreme Court Justice Clarence Thomas during inauguration ceremonies in Washington, U.S., January 20, 2017. REUTERS/Rick Wilking

9/11: U.S. President Donald Trump embraces members of his family, wife Melania (L), and children Barron, Donald, Ivanka and Tiffany,after being sworn in during inauguration ceremonies at the Capitol in Washington, U.S., January 20, 2017. REUTERS/Carlos Barria

10/11: First lady Melania Trump (L) and outgoing U.S. President Barack Obama (R) looks on as U.S. President Donald Trump gives a thumbs up after being sworn in as the 45th president of the United States on the West front of the U.S. Capitol in Washington, U.S., January 20, 2017. REUTERS/Carlos Barria

11/11: President Donald Trump speaks at inauguration ceremonies swearing him in as the 45th president of the United States on the West front of the U.S. Capitol in Washington, U.S., January 20, 2017. REUTERS/Carlos Barria