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

Casey has refused to concede despite multiple outlets calling the race for David McCormick, with the recount due to be completed by Nov. 26.

Republican Dave McCormick leads Democratic Sen. Bob Casey by about 28,000 votes, under the 0.5 percentage point threshold for an automatic recount under state law.

The unofficial results in the race for the U.S. Senate seat in Pennsylvania have triggered a legally required statewide recount, Commonwealth Secretary Al Schmidt said on Wednesday. Democratic Senator Bob Casey and Republican Dave McCormick have vote totals within the one-half of 1 percent margin that triggers a mandatory recount under state law,

The U.S. Senate race between Republican Dave McCormick and Democratic Sen. Bob Casey will go through a recount after the senator declined to waive one Wednesday.

The U.S. Senate election in Pennsylvania between Democratic incumbent Sen. Bob Casey and Republican David McCormick is headed for a statewide recount, as counties continued Wednesday to sort through outstanding ballots and the campaigns jousted over which ones should count.

The government contractor and appointee made a concerted effort to boost Donald Trump’s election in the Keystone State. It might not have had any effect.

CBS News has not issued a projection in the race. Pennsylvania Secretary of the Commonwealth Al Schmidt announced Wednesday afternoon that unofficial results in the race have triggered a statewide recount. That's because vote totals for McCormick and Casey ...

A small margin in votes separating incumbent Democratic Sen. Bob Casey from Republican challenger David McCormick Jr. has triggered a recount in the Pennsylvania Senate race, the commonwealth's secretary said Wednesday.

The Pennsylvania Senate race between incumbent Bob Casey, left, and his Republican challenger, Dave McCormick, is headed for a recount. All counties must complete their recounts by Tuesday, Nov. 26. Pennsylvania's Senate race is going to a mandatory recount despite the Associated Press calling it last week for Republican challenger Dave McCormick.

The incredibly tight Pennsylvania race between Democratic Sen. Bob Casey and Republican challenger Dave McCormick will head to a recount, Pennsylvania Secretary of the Commonwealth Al Schmidt announced Wednesday.

Ex-hedge fund CEO Dave McCormick has declared victory while Senator Bob Casey has yet to concede despite a narrow path, citing outstanding ballots.