With less than two weeks until the election, Republican presidential nominee Donald Trump has amped up charges that the election is "rigged" against him. His running mate, Indiana Gov. Mike Pence, has warned at rallies about voter fraud "around the country."
Though voter fraud is rare _ one study found just 31 credible claims of fraud amid more than 1 billion ballots cast since 2000 _ a few instances of fraud and voting irregularities have been found ahead of the election.
At the same time, there have been accusations of voter suppression across the U.S., as civil rights groups have said Trump's instructions to supporters to "go check out" polls in "certain areas" are a call to monitor minority votes.
Here's a recap of reports of possible election interference:
