US President-elect Donald Trump ridiculed Hillary Clinton's presidential campaign for joining a recount effort in Wisconsin, ending his day on Twitter by parroting a widely debunked conspiracy theory that her campaign benefited from massive voter fraud.
As his senior advisers engaged in an escalating feud over who the next Secretary of State should be, Trump focused publicly on Clinton's tally of 64 million votes - more than 2 million more than he garnered - by suggesting without evidence that millions of people illegally voted in the election.
"In addition to winning the Electoral College in a landslide, I won the popular vote if you deduct the millions of people who voted illegally," Trump tweeted, one of more than 10 tweets on the recount issue. That accusation - spread by conspiracy sites such as Infowars.com and discredited by fact-checking organisations - gained traction among some far-right conservatives disappointed that Trump lost the popular vote.
Trump's embrace of the claim created even more instability around the election results from both ends of the spectrum, with Green Party candidate Jill Stein leading calls among liberal activists for recounts in key battleground states to make sure vote fraud did not give the election to Trump.
The charges and countercharges could present a highly toxic issue for the Justice Department, including Senator Jeff Sessions, Trump's nominee to be Attorney-General, whose tenure, if confirmed, comes amid a long-running battle over renewal of the Voting Rights Act. The two parties are already locked in fights over ballot access, with Republicans advocating ID requirements and other limitations that Democrats say are aimed at suppressing the votes of minorities and others more likely to vote Democratic.