Russia-linked disinformation operations have falsely claimed officials in battleground states plan to fraudulently sway the outcome of the extraordinarily close US presidential election, authorities warned hours before Election Day. Success in the seven swing states is key to winning the White House for rivals Kamala Harris and Donald Trump, and those states have previously been the focus of unsupported accusations of election fraud. “Russia is the most active threat,” the Office of the Director of National Intelligence (ODNI), the FBI and the Cybersecurity and Infrastructure Security Agency s…