Voting nationwide has been mostly orderly, despite non-credible bomb threats from Russian origin | [Video]

(CNN) — Polls are starting to close in the eastern US while voting continues elsewhere as tens of millions of American voters head to the polls Tuesday to choose the country’s next leaders. Some counties in battleground states have started processing mail-in ballots amid high turnout, with officials predicting results will be ready later in the night or Wednesday. But in other locations, polls will stay open later because of disruptions during the day.

The voting process, officials said, has been going smoothly, even with issues caused by non-credible bomb threats from Russia and bad weather.

Several bomb threats at a few Michigan and Georgia polling places caused delays in the vote as security officials cleared the locations.

The threats “appear to originate from Russian email domains,” the FBI said midday Tuesday. “None of the threats have been determined to be credible thus far.”

Wisconsin also received threats apparently aimed at disrupting voting, a US official …