After taking the oath of office and a brief dash to shake some hands, Joe Biden made it safely to the White House in a barricaded city guarded by more than 25,000 troops and devoid of the hundreds of thousands of spectators who normally throng to the quadrennial ritual.

Here's how world leaders are reacting to U.S. President Joe Biden's inauguration on Wednesday, replacing Donald Trump.

At least three people died and eleven were injured on Wednesday afternoon when a building in central Madrid was blown apart by an explosion, with four of the wounded requiring hospitalisation.

U.S. President Joe Biden on Wednesday began signing 15 executive actions addressing the coronavirus pandemic, climate change and racial inequality, and undoing some policies put in place by his predecessor Donald Trump.

U.S. stocks closed at record highs on Wednesday as Joe Biden was sworn in as the 46th U.S. president, while solid results from Netflix sparked a rally in shares of "stay-at-home" beneficiaries.

Democrats took control of the U.S. Senate on Wednesday when Vice President Kamala Harris swore in three new members to give the party a narrow grip on both houses of Congress as well as the White House for the first time in a decade.

Joe Biden was sworn in as president of the United States on Wednesday, offering a message of unity and restoration to a deeply divided country reeling from a battered economy and a raging coronavirus pandemic that has killed more than 400,000 Americans.

Global equity benchmarks rose to new record highs and oil prices rose on Wednesday as investors moved into riskier assets in anticipation of further U.S. stimulus under the new Biden administration to mend the economic damage of the coronavirus pandemic.

President Joe Biden will attempt to jump-start the federal government's response to the coronavirus pandemic with a string of immediate executive orders on Wednesday after his inauguration to lead a country reeling from its worst public health crisis in more than a century.

Amazon.com Inc on Wednesday offered to help with the United States' efforts involving the COVID-19 vaccine, according to a letter addressed to President Joe Biden, seen by Reuters.