(Photo by Mario Tama/Getty Images) HARRISBURG - An appellate court judge in Pennsylvania turned down an emergency petition from Republicans seeking to block the Philadelphia suburb of Delaware County from operating a three-day, pop-up early voting center in a predominantly Black area.Commonwealth Court Judge Kevin Brobson, in a decision Friday night, wrote that a county judge had reasonable grounds to reject the emergency petition.With barely two weeks left before Election Day, Pennsylvania is shaping up as a key battleground state in the contest between President Donald Trump and former Vice President Joe Biden.RELATED: Pennsylvania high court to settle voter signatures fightThe voting center began operating Friday in Subaru Park in the.