Voters in Pennsylvania are not yet able to cast ballots, despite confusion over a state law concerning applications for mail ballots.

The Republican National Committee argued that counties do not have the authority to allow voters in the swing state to correct ballots that do not comply with the rules.

The Economist’s forecast model suggests that the state—with its 19 electoral-college votes, the most of any swing state—is the tipping-point in 27% of the model’s updated simulations, meaning it decides the election more often than any other state.

Sen. John Fetterman (D-Pa.) said he thinks former President Trump has a “special” place among Pennsylvania voters and it only deepened after a gunman opened fire at a Trump rally in the state in July.

According to the latest CBS News Poll, if the presidential election were held today, 59% of likely voters would vote for Vice President Kamala Harris compared to 41% for former President Donald Trump. "We are the future," said DaJaun Wortham, a student at Community College of Philadelphia. "Young people are the future."

Pennsylvania Gov. Josh Shapiro, a former Democratic vice presidential short-lister, will campaign in Wisconsin with U.S. Sen. Tammy Baldwin.

Bluestack Strategies founder Maura Gillespie discusses the presidential campaign strategies of former President Trump and Vice President Kamala Harris on 'Fox News Live.'

Voters in the key battleground of Pennsylvania may notice their ballots look different this year, as the state prepares to deploy a new design in the general election for the first time this year that aims to reduce the number of rejected votes.

U.S. law bans noncitizens from voting in federal elections, such as races for president, U.S. Senate and U.S. House of Representatives. Like many states, Pennsylvania also prohibits noncitizens from voting in elections for state offices.