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.

Pennsylvania’s nationally watched U.S. Senate race is headed to a recount after incumbent Sen. Bob Casey did not waive an automatic recount. The Associated Press called the race last week for Republican Dave McCormick,

The Associated Press called the race for McCormick on Nov. 7, projecting that he would defeat Casey by less than 30,000 votes.

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

Republican David McCormick cut into Democratic Sen. Bob Casey's support in Philadelphia and its populous suburbs and built leads in the more GOP-leaning parts of the state, foreclosing the incumbent's pathway to victory when The Associated Press called the race Thursday.

Pennsylvania’s U.S. Senate race between three-term Democratic Sen. Bob Casey and Republican David McCormick will help determine control of the chamber.

Unofficial results for the US Senate seat in Pennsylvania have triggered a legally required statewide recount of the race, which the Associated Press last week called for Republican David McCormick, a former hedge fund CEO.

Pennsylvania Sen. Bob Casey accused Republican challenger Dave McCormick of trying to "disenfranchise" voters through lawsuits over provisional ballots.

The tight margin in the Senate race between Sen. Bob Casey, D-Pennsylvania and Republican Sen.-elect Dave McCormick has triggered an automatic recount under Pennsylvania law.