ToplineA Pennsylvania judge shut down an election official’s effort to hand count ballots in his district Tuesday, as courts are weighing in on the ballot-counting process in the presidential election,

The US Supreme Court on Friday left in place a Pennsylvania court ruling that is expected to expand options for voters whose mail-in ballots are rejected for technical reasons to have their votes counted,

The final vote tally might not be available on Election Day in Pennsylvania. A rule about mail-in ballots explains why.

Thousands of voters are at risk of having their ballots cancelled due to simple errors, such as forgetting to date or sign the outer envelope.

It was a busy day at the Chester County Government Center in West Goshen Township, as hundreds of people arrived to drop off their mail ballots on Monday.

Here's everything you need to know for Election Day in Philadelphia. Why it matters: While Pennsylvania is the top prize in the presidential race, the state also has a high-profile U.S. Senate race and statewide races that could drive up turnout.