In a heartfelt speech in Melbourne on Thursday, former treasurer Josh Frydenberg said he had been left anguished and anxious over the rise of antisemitism in Australia following the “medieval slaughter” in Israel. “I never thought I would feel, as my parents did in 1973 during the Yom Kippur War, the existential threat facing the State of Israel. But now I do,” Mr Frydenberg told a fundraising event. Mr Lowy is chairman of the world board of trustees of Keren Hayesod, also known as the United Israel Appeal, a fundraising body for Israel founded in 1920 with offices in 45...