Republican David McCormick has won Pennsylvania’s pivotal U.S. Senate seat, as the former CEO of the world’s largest hedge fund beat three-term Democratic Sen. Bob Casey in Tuesday’s election after accusing the incumbent of supporting policies that led to inflation,

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.

Republican Dave McCormick, an Army veteran and former hedge fund CEO, has unseated three-term Democratic incumbent Bob Casey Jr. in Pennsylvania’s nationally watched U.S. Senate race, according to The Associated Press.