Republican U.S. Senate candidate Dave McCormick on Thursday appeared ... While votes continue to be counted, any way you slice it, Dave McCormick will be the next United States Senator from Pennsylvania,” Gregory said in a statement.

Republican Dave McCormick appeared to win a major upset in Pennsylvania, beating three-term incumbent Bob Casey. The victory would give the GOP a key win in the U.S. Senate, where it now holds 53 seats.

The AP has predicted that Pennsylvania will go to political newcomer Republican Dave McCormick, but with margins razor thin and votes left to count Democrat Bob Casey has not conceded the race. The AP has predicted that the state of Pennsylvania will flip one seat bringing the Republican total to 53 seats.

Pennsylvania saw one of the most expensive Senate races in the country this cycle — and McCormick had early backing from national Republican operatives during the state’s GOP primaries. But Casey has deep ties in Pennsylvania,

Republican David McCormick defeated three-term Democratic Sen. Bob Casey in Pennsylvania, the Associated Press projected, padding the GOP’s majority in the next Congress. McCormick, a 59-year-old former hedge-fund manager,

Republican Dave McCormick has defeated incumbent Democratic Sen. Bob Casey for a pivotal seat in the U.S. Senate, according to The Associated Press.