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Election security updates: Trump baselessly asserts cheating

Plus, voting hours have been extended at a few polling sites due to tech issues.

From the polling place to the courtroom, ABC News tracks the latest election security developments as experts warn about the spread of misinformation and disinformation from within the U.S. and abroad.

Security experts stress that the nation's voting infrastructure is highly secure, and that isolated voting issues do not indicate widespread election fraud.

For coverage of each race, see our election updates.

Nov 4, 10:33 am

How to watch ABC News coverage of Election Day

On Election Day, voters around the country will eagerly wait to hear if former President Donald Trump or Vice President Kamala Harris comes out on top in the race for the White House.

ABC News will have full coverage of the presidential election results and many other key down-ballot races on Election Day and the days afterward as votes continue to get counted.

Here's how to watch ABC News live coverage of 2024 election results.

2 hours ago

US Capitol Police arrest man with flare gun, torch

The U.S. Capitol Police said they arrested a man who smelled like fuel and had a flare gun and a torch while going through screening at the Capitol's visitor center.

PHOTO: Capitol United State.
STOCK IMAGE/Getty Images

Capitol Police Chief Tom Manger told reporters that officers found a flare gun, lighter, and torch lighter in the man's jacket and two bottles that appeared to contain some sort of accelerant, possibly gasoline.

The suspect had papers he told officers he intended to deliver to Congress. Investigators are working to determine what his intentions were. Capitol Police said they're unclear if he wanted to set himself on fire or his items.

The officers were tipped off because the suspect had "heavier clothing than was warranted for a day like today," Manger said, as afternoon temperatures in D.C. were around 75 degrees.

The visitor center has been closed for tours while police investigate.

-ABC News' Luke Barr

3 hours ago

Election integrity expert warns about the spread of misinformation

In a closely contested election, even the slightest hint of doubt about whether votes are counted accurately could incite violence and exacerbate political divisions in the U.S.

ABC News' Linsey Davis sat down with Michael Waldman, president of NYU's Brennan Center for Justice, to talk about the unprecedented security of U.S. elections and the threat of misinformation.

Read more here.

3 hours ago

New York State Assembly candidate arrested for harassing voters

A New York State Assembly candidate was arrested the morning of Election Day at a polling site in Queens.

The Republican candidate, Jonathan David Rinaldi, was issued a summons for harassing voters while shouting "baby killers" and holding a sign reading "Vote Rinaldi."

After he was given numerous commands to stop, police handcuffed him.

-ABC News' Aaron Katersky

2:31 PM EST

Law enforcement agencies prepared for unrest beyond Election Day

Law enforcement officials say they're prepared to deal with unrest on Election Day, but expect the threat to continue in the days that follow.

Election workers across the country are being bombarded with threats and law enforcement agencies nationwide are dedicating "substantial resources" to ensure public safety during the election, a new threat assessment obtained by ABC News says.

"It is more likely that in the aftermath of the election results and the counting of the Electoral College votes, that individuals who believe that the election was rigged, stolen, or unfairly decided could decide to conduct lone offender or lone wolf attacks in response," said Javed Ali, the former senior counterterrorism coordinator at the National Security Council and now an associate professor at the University of Michigan's Gerald R. Ford School of Public Policy.

Read more here.

-ABC News' Luke Barr