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,

Casey's concession comes two weeks after the AP called the race for Republican Dave McCormick and after counties had begun a recount process.

Pennsylvania Sen. Bob Casey (D) conceded to Republican Dave McCormick on Thursday, solidifying the GOP’s majority in the Senate despite an ongoing statewide recount effort.