Republican Dave McCormick is the projected winner of Pennsylvania’s United States Senate race against incumbent Democrat Bob Casey, but thousands of provisional ballots have yet to be counted. Now, McCormick has filed a lawsuit in connection with those ballots.

Pennsylvania Republican Senate candidate David McCormick filed two lawsuits challenging provisional ballots in Philadelphia, signaling he is prepared to take his fight to the Supreme Court. McCormick declared victory after The Associated Press projected ...

At issue are provisional ballots provided to Philly voters who originally used mail-in ballots which were invalidated. The challenge follows Republican efforts to invalidate mail-in ballots.