https://www.huffpost.com/entry/a-racist-jewish-court_b_86141/amp
… Then, in 1966 the story was investigated by Immanuel Jakobovits, one of the worlds' leading medical ethicists who would later become the internationally-respected Chief Rabbi of the United Kingdom and a member of the House of Lords, and found to be a hoax. Writing in the journal Tradition under the title, "A Modern Blood Libel," Jakobovits noted, "Dr. Shahak, challenged to substantiate his personal 'testimony' was eventually forced to admit that the Orthodox Jew he had 'witnessed' refusing the use of his telephone simply did not exist. The whole incident had been fabricated in true Protocols style. Equally overlooked was the circumstance that the Rabbinate, far from having confirmed Dr. Shahak's allegation, had in fact ruled that the Sabbath must be violated to save non-Jewish no less than Jewish lives."