Pa., on Thursday conceded the race for Pennsylvania's Senate seat to his Republican opponent, Dave McCormick. NBC News projected McCormick's win in the hotly contested battleground state race shortly after Casey's concession,

The statewide recount of votes cast in the U.S. Senate race ended after U.S. Sen. Bob Casey conceded, the Pennsylvania Department of State announced Friday. Casey, after conceding to U.S. Sen.-elect Dave McCormick on Thursday evening,

The race has been among the closest in commonwealth history, with the two men separated by approximately a quarter of a percentage point.