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

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

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

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 ...

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 ...

Republican Dave McCormick appeared to win a major upset in Pennsylvania, beating three-term incumbent Bob Casey. The victory ...

Aside from once-and-future President Donald Trump's unexpectedly decisive win, one of the most surprising results in ...

Unofficial returns in the race between Senator Bob Casey and Dave McCormick have triggered a mandatory recount under state law.