Donald Trump sworn in as US president, promises to put 'America First'

"We'll eradicate radical Islamic terrorism from face of earth," he said in his inauguration speech

Donald Trump was sworn in as the 45th president of the United States on Friday, succeeding Barack Obama and telling a bitterly divided country he will pursue "America First" policies at home and abroad.

As scattered protests erupted elsewhere in Washington, Trump raised his right hand and put his left on a Bible used by Abraham Lincoln and repeated a 35-word oath of office from the U.S. Constitution, with U.S. Chief Justice John Roberts presiding.

Afterward, he stretched his arms wide and hugged his wife, Melania, and other members of his family. Then he turned around to a