PITTSBURGH (AP) — The anti-Semitic truck driver accused of gunning down 11 people at a Pittsburgh synagogue pleaded not guilty Thursday to federal charges that could put him on death row, as funerals for the victims of the deadliest anti-Semitic attack in American history continued for a third day.

Robert Bowers, 46, was arraigned one day after a grand jury issued a 44-count indictment charging him with murder, hate crimes, obstructing the practice of religion and other crimes. It was his second brief appearance in a federal courtroom since the weekend massacre at Tree of Life synagogue in Pit...