In the race for a critical Senate seat, Pennsylvania incumbent Bob Casey Jr. was challenged by Republican Bob McCormick.

(Reuters) - Republican Dave McCormick won the U.S. Senate election in Pennsylvania, Decision Desk HQ projected on Thursday, ...

The Republican Senate candidate points to clear rulings from the Pennsylvania Supreme Court that undated and incorrectly ...

An automatic recount has been triggered in the U.S. Senate race in Pennsylvania between Bob Casey and Dave McCormick. Here's ...

Pennsylvania's US Senate race between incumbent Democrat Bob Casey and Republican challenger Dave McCormick is going to an ...

The tight margin in the Senate race between Sen. Bob Casey, D-Pennsylvania and Republican Sen.-elect Dave McCormick has ...

The Pennsylvania Senate race is heading for a recount as Republican Dave McCormick continues to lead Sen. Bob Casey (R-Pa.) ...

Pennsylvania’s Senate race is heading towards a recount between Republican Dave McCormick and Democratic Sen. Bob Casey. NBC ...

The three-term Democrat is currently locked in a tight race with Dave McCormick, trailing the Republican by just over 29,000 ...

There are simply not enough votes left for Bob Casey Jr., the incumbent Democratic U.S. senator demanding a recount in ...

NEW STORY: Republican Dave McCormick flips pivotal Pennsylvania Senate seat, defeating Bob Casey Pennsylvania’s three-term ...

"I want to start with just a message of absolute gratitude," said Republican David McCormick as he declared victory against ...