Former U.S. President Barack Obama personally urged Facebook founder Mark Zuckerberg to counter the rise of fake news on the social network during a meeting held shortly after last year's election, the Washington Post reported Sunday.

The encounter reportedly took place on the sidelines of a meeting of global leaders in Lima, Peru on November 19, two months before Trump's inauguration and days after Zuckerberg had dismissed as "crazy" the idea that misleading stories driven by Russian operatives had made a major impact on the outcome of the vote.

Former U.S. president Barack Obama endorsed Emmanuel Macron for the French presidency, praising the centrist frontrunner's "liberal values" in a video posted Thursday on the candidate's website.

US President Donald Trump on Friday repeated his charge that predecessor Barack Obama had ordered a wiretap against him, rejecting rising calls from Republicans and Democrats to withdraw the charge and apologize.

Speaking at a joint press conference with German Chancellor Angela Merkel, Trump answered a question on the wiretap allegation by referring to the US National Security Agency's reported tapping of Merkel's phone several years ago.

President Barack Obama on Thursday commuted the sentences of 330 people, mostly drug offenders, a record number issued in a single day, on the eve of his departure from the White House.

It is Obama's second such measure this week, including his surprise decision to commute the sentence of transgender army private Chelsea Manning, imprisoned for 35 years for handing more than 700,000 classified U.S. documents to WikiLeaks.

Rolling back Obamacare and industry regulations. Deporting undocumented immigrants. Scrapping trade deals. And of course, building that border wall.

It will be an extremely busy first day in the White House for Donald Trump if he lives up to his various campaign and transition pledges to undo the policies of Barack Obama's eight-year presidency.

US President Barack Obama on Thursday ended a decades-old policy that allowed Cuban migrants who arrived illegally on US soil to stay.

President Barack Obama allowed US sanctions against Iran to be renewed on Thursday, but in a surprise move declined to actually sign the legislation that brings the sanctions into force.

With Donald Trump's election sparking questions about the respect for democratic norms at home, U.S. President Barack Obama made a strident case for democracy Saturday and urged world leaders to give his successor a chance.

US President Barack Obama pays a farewell visit on Thursday to German Chancellor Angela Merkel, seen by some as the new standard bearer of liberal democracy since the election of Donald Trump.

On the last leg of his final European tour as president, Obama will try to ease fears about the future of the transatlantic partnership and thank Merkel for her friendship during his two terms, White House officials said.

U.S. President Barack Obama Tuesday issued a warning against "crude" nationalism following Donald Trump's shock election win as he visited Europe on a mission to reassure jittery allies.

Obama, making his last foreign trip as president, said the NATO alliance was "absolutely vital" to U.S. interests and stressed a strong, unified Europe was good for America, after Trump, on the campaign trail, appeared to play down the importance of transatlantic ties.