Donald Trump has vowed he will be "back in some form" after departing the White House for the final time as president.
US President Joe Biden has begun to undo some of Donald Trump's key policies, hours after being sworn in.
Democrat Joe Biden was sworn in as president of the United States on Wednesday, vowing to end the ‘uncivil war’ in a deeply divided country reeling from a battered economy and a raging coronavirus pandemic that has killed more than 400,000 Americans.
Joe Biden is preparing to be sworn in as the 46th US president, ending one of the most dramatic political transitions in American history.
A group of US-bound Central American migrants has been met with truncheons and tear gas in Guatemala, where security forces blocked their path.
The United States and several European governments have demanded the release of opposition leader Alexei Navalny from Russian detention.
Kremlin critic Alexei Navalny is due back in Moscow later on Sunday for the first time since he was nearly killed by a nerve agent attack last year.
Details are emerging of a raft of executive orders planned by US president-elect Joe Biden as soon as he takes office this week.
All 50 US states and the District of Columbia (DC) are on alert for possible violent protests this weekend, ahead of President-elect Joe Biden's inauguration on Wednesday.
Uganda's long-time President Yoweri Museveni has been re-elected, electoral officials say, amid accusations of vote rigging by his main rival Bobi Wine.
Russia's unmanned Luna-25 spacecraft has crashed into the Moon after spinning out of control, officials say.
Donald Trump has confirmed that he will not take part in Republican presidential debates with his rivals in the race for the White House.