Pennsylvania's US Senate race between incumbent Democrat Bob Casey and Republican challenger Dave McCormick is going to an automatic recount.

Despite the recount being called, it remains an uphill battle for Casey, who still trailed by more than 25,000 votes as of Thursday afternoon. He would need overwhelming success both in ensuring remaining ballots are counted, and that those voters picked him.

Republicans asked the Pennsylvania Supreme Court Thursday to again ensure that mail ballots with a missing or improper date are not counted in this year’s election, accusing multiple counties of