The tight margin in the Senate race between Sen. Bob Casey, D-Pennsylvania and Republican Sen.-elect Dave McCormick has triggered an automatic recount under Pennsylvania law.

Casey has refused to concede despite multiple outlets calling the race for David McCormick, with the recount due to be completed by Nov. 26.

Republican Dave McCormick won the U.S. Senate election in Pennsylvania, Decision Desk HQ projected on Thursday, beating Democratic incumbent Bob Casey in an important win for Republicans hoping to capture a majority in the chamber.

Pennsylvania will recount the race between incumbent Democratic Sen. Bob Casey and Republican David McCormick, who leads by 28,000 votes.

Republicans are going to court in Pennsylvania amid vote counting in the U.S. Senate election between Democratic Sen. Bob Casey and Republican David McCormick, with the contest headed toward a state-m

Several Pennsylvania county election boards voted to include illegal ballots in ballot recount for Senate seat

The RNC filed two new lawsuits in Pennsylvania after several state boards of elections voted to count several undated mail ballots following the state supreme court's ruling on the issue.

CBS News has not issued a projection in the race. Pennsylvania Secretary of the Commonwealth Al Schmidt announced Wednesday afternoon that unofficial results in the race have triggered a statewide recount. That's because vote totals for McCormick and Casey ...

The GOP has gone to court over mail-in ballots where the voter didn't write a date on the return envelope or wrote the wrong date.

The U.S. Senate election in Pennsylvania between Democratic incumbent Sen. Bob Casey and Republican David McCormick is headed for a statewide recount, as counties continued Wednesday to sort through outstanding ballots and the campaigns jousted over which ones should count.