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.

“Ruben Gallego and David McCormick have been invited to attend orientation,” Schumer’s spokesperson said. However, the race for McCormick has yet to be called as ballots are still being counted in Pennsylvania and Sen. Bob Casey, D-Pa., has not yet ...