The transition to President-elect Joe Biden's administration remained in political limbo on Sunday, a day after tens of thousands of President Donald Trump's supporters poured into the nation's capital to echo his false claims of election fraud.

US President Donald Trump's litigation campaign to discredit President-elect Joe Biden's victory is very unlikely to change the outcome of the election and is mostly about politics and fundraising, according to election law

The US Secret Service has increased its protective bubble around Joe Biden as chances increased that he will be the next US president, the Washington Post reported Friday.

Democratic presidential candidate Joe Biden took a narrow lead over President Donald Trump in the battleground state of Georgia for the first time early on Friday, putting the White House within his reach as it and other undecided states continue to count ballots.

With the US presidential election between Republican President Donald Trump and Democratic challenger Joe Biden too close to call, Trump turned to the courts on Wednesday to try to invalidate votes in Pennsylvania and block Michigan officials from counting ballots.

Tension spiralled in the still undecided US election Wednesday after President Donald Trump made unprecedented claims of fraud and demanded a recount in Wisconsin, where Democrat Joe Biden notched up another win to inch closer to overall victory.

Democratic presidential challenger Joe Biden on Wednesday neared the magic number of 270 electoral votes needed to win the White House with several battleground states still in play, as incumbent President Donald Trump challenged the vote count.

After months of protests about racism and police brutality, the United States is now likely to see street demonstrations over the cliffhanger presidential election, after President Donald Trump falsely claimed victory and called for voting to stop.

A federal judge in Pennsylvania on Wednesday weighed arguments by Republicans seeking to stop a suburban Philadelphia county from counting mail-in and absentee ballots that voters had been permitted to correct.

US President Donald Trump alleged on Wednesday that there had been "surprise ballot dumps" in states where he had been leading Democrat Joe Biden in the race for the White House.

After an acrimonious presidential campaign that exposed the depth of the political divisions in the United States, Americans streamed to the polls Tuesday to choose either incumbent Donald Trump or challenger Joe Biden to lead a pandemic-battered nation for the next four years.

Americans by the millions waited patiently to cast ballots at libraries, schools and arenas across the country on Tuesday, in an orderly show of civic duty that belied the deep tensions of one of the most polarizing presidential campaigns in US history.