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,

McCormick’s projected victory marks a pivotal moment for the Republican Party, solidifying their gains in what was one of the nation’s most expensive Senate races and giving them a significant foothold in Pennsylvania, a state that has long been a key battleground in national elections.

Republicans have knocked off Democrats in two perennially contested U.S. House seats in eastern Pennsylvania while U.S. Rep. Scott Perry has survived a challenge in southern Pennsylvania