Pennsylvania will recount the race between incumbent Democratic Sen. Bob Casey and Republican David McCormick, who leads by 28,000 votes.

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

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