Four years after then-President Trump seized on expected ballot-counting delays in Pennsylvania and other swing states to fuel false claims that the election was stolen, experts warn it could happen again.

From date deadlines to key state and polling locations, here's everything voters in Pennsylvania need to know before casting their vote:

To mark National Voter Registration Day, Pennsylvanians were reminded that the deadline to register to vote was fast approaching. Secretary of the Commonwealth Al Schmidt said Tuesday that the deadline for the November election is Monday,