Updated 10:52 p.m. ET
The Supreme Court, in a 5-3 vote, has reaffirmed a lower court's block on Wisconsin's plan that would have allowed ballots in the state to arrive up to six days after Election Day. Democrats and progressive groups asked the justices to intervene after a federal appeals court blocked the ballot-receipt plan.
Republicans argue that the deadline extension threatens the integrity of the election by changing the rules too close to the election, an argument they have made in similar cases.