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

The former hedge-fund manager’s victory over Democratic incumbent Bob Casey brings the GOP total to 53 seats.

WASHINGTON (AP) — Republican David McCormick cut into Democratic Sen ... and one-time coal towns to the central areas around ...

Casey has refused to concede despite multiple outlets calling the race for David McCormick, with the recount due to be ...

Republican Senate candidate David McCormick has ousted longtime Pennsylvania Senator Bob Casey, according to an Associated ...

The secretary of the commonwealth says the unofficial results of Pennsylvania's U.S. Senate race have triggered a mandatory ...

The Pennsylvania Senate race between incumbent Democrat Sen. Bob Casey and Republican challenger David McCormick is moving to ...

Forecasters believed both candidates had roughly equal chances of winning. The Cook Political Report classified Pennsylvania's Senate race as a toss-up, a decision made in the weeks before Election ...

Republican David McCormick GS ’94 ’96 defeated three-term incumbent Democrat Bob Casey on Nov. 7 according to an AP election ...

HARRISBURG, Pa. – 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 ...

With McCormick's victory, Republicans have expanded their Senate majority in the next Congress to 53 seats, with two races ...