Republican David McCormick has won Pennsylvania’s pivotal U.S. Senate seat, beating three-term Democratic Sen. Bob Casey.

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.

Senate Republicans picked up a key seat Thursday afternoon when Trump-backed businessman Dave McCormick defeated longtime Democratic incumbent Sen. Bob Casey in a closely-watched Pennsylvania race.The Associated Press (AP) called the race for McCormick,