Federal and local authorities ramped up security measures across downtown Washington, D.C. this weekend, with businesses installing protective barriers and federal buildings receiving additional fortification ahead of Tuesday's presidential election.

In an unusual political development that could impact control of the U.S. House of Representatives, Eric Hafner, an incarcerated felon serving a 20-year sentence in New York's Otisville Federal Correctional Institution, has emerged as one of four candidates for Alaska's sole House seat.

Several counties in Pennsylvania have been hit with voter fraud schemes within roughly a week of the Election Day, leaving county officials scrambling to investigate what's going on.

The Arizona Court of Appeals on Monday affirmed a decision by a lower court that required the Secretary of State's office to release a list of tens of thousands of voters who were mistakenly classified as having access to Arizona's full ballot because of a coding glitch.

Vice President Kamala Harris and the Democrats are hoping they have done enough to tap into the pro-choice sentiment that has helped drive their success at the ballot box since the Supreme Court stripped away federal abortion protections.

Election Day is finally here, the polls are open and the news media is in frantic mode. There's a little serenity around, though. Millions of Americans already have cast their votes early by mail or in person -- and likely glad that they did.