A largely smooth vote early on Tuesday was buffeted by bomb threats, widespread disinformation and a security lapse in Milwaukee that promised to delay results.
Eight years after Russia interfered in the 2016 presidential election, foreign influence with American voters has grown more sophisticated. That could have outsize consequences in the 2024 race.
The head of Britain’s domestic security service said Russia’s military intelligence service was pursuing “dangerous actions conducted with increasing recklessness.”
Intelligence officials said that foreign adversaries were planning to take advantage of another close U.S. election to undermine trust in the country’s democratic process.