Republican U.S. Senate candidate Dave McCormick on Thursday appeared to declare victory in his race against Democratic incumbent Bob Casey Jr. despite The Associated Press not having called the race and the possibility that the narrow margin triggers Pennsylvania’s automatic recount process.

Republican Dave McCormick may have declared victory in his U.S. Senate race over incumbent Democrat Bob Casey, but in court, the race is still very much an ongoing concern. McCormick filed a pair of lawsuits Thursday in Philadelphia challenging 15,

Republican Dave McCormick appeared to win a major upset in Pennsylvania, beating three-term incumbent Bob Casey. The victory would give the GOP a key win in the U.S. Senate, where it now holds 53 seats.