Live election 2024 updates in the Philadelphia region and the focus on Pennsylvania

Pennsylvania's U.S. Senate race between three-term Democratic Sen. Bob Casey and Republican challenger David McCormick will help determine control of the chamber Tuesday in a battleground state contest that is one of the nation's most expensive this year.

Casey and McCormick face off in Pa. race that could determine Senate control

Casey, perhaps Pennsylvania's best-known politician and the son of a former two-term governor, is seeking a fourth term after facing what he has called his toughest reelection challenge yet. Casey, 64, is a stalwart of the state's Democratic Party, having won six statewide elections going back to 1996, including serving as the state's auditor general and treasurer.

McCormick, 59, is making his second run for the Senate after losing narrowly to Dr. Mehmet Oz in 2022's Republican primary. He left his job as CEO of the world's largest hedge fund to run after serving at the highest levels of former President George W. Bush's administration and sitting on Trump's Defense Advisory Board.

The race ran on national themes, from abortion rights to inflation. But it also turned on local ones, too, such as Casey's accusation that McCormick is a rich carpetbagger from Connecticut's ritzy " Gold Coast " - a caricature McCormick helped bring to life by mispronouncing the name of one of Pennsylvania's local beers - trying to buy Pennsylvania's Senate seat.

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Philadelphia District Attorney Larry Krasner said Tuesday that Election Day behavior at the polls in the city has been 'more aggressive.'

However, Krasner said no arrests have been made.

Philadelphia District Attorney Larry Krasner said Tuesday the behavior at the polls in the city has been 'more aggressive.'

The D.A.'s office says voters who encounter any irregularities at their polling location can call the DAO Election Task Force hotline at 215-686-9641.

Voters are also encouraged to contact the national nonpartisan Election Protection hotline: 866-OUR-VOTE.

Voters with questions about the election process should contact the Philadelphia City Commissioners' Office at 215-686-VOTE.

Should voters encounter any violence or physical threats at their polling station, they are urged to call 911 immediately.

A Pennsylvania judge has ordered Luzerne County to extend polling hours in Laflin Borough.

The voting location in that borough will now close at 9:30 p.m. Tuesday.

The poll there opened late Tuesday, causing some voters to be unable to cast their ballots.

Voting didn't begin until 8:30 a.m., some 90 minutes after the start of voting at 7 a.m. statewide.

Laflin Borough is southwest of Scranton, Pa.

A Pennsylvania judge ordered the voting hours to be extended for two hours in Cambria County, Pennsylvania after the location experienced technical issues on Tuesday.

The polls will now close at 10 p.m., per the order, and any ballots cast after 8 p.m. will be cast by provisional ballots.

Cambria County is located just west of Altoona.