MELBOURNE, Australia (AP) — The head of an inquiry into antisemitism in Australia on Tuesday said Jewish witnesses who appeared before it are facing online harassment and bigotry and issued a condemnation. The Royal Commission on Antisemitism and Social Cohesion was created in response to two gunmen allegedly inspired by the Islamic State group slaying 15 people at a Sydney Hanukkah celebration in December. Royal commissions are Australia’s highest form of public inquiry. The commission’s head, former High Court judge Virginia Bell, said Jewish witnesses who testified about their experiences of antisemitism since public hearings began on May 4 have been subjected to online “harassment and intimidation.” “We have received reports from a number of witnesses concerning a dramatic increase in online hate messages after they have given evidence,” Bell said.…