Weiss and Rosenberg spoke with clerics and other Iranian officials during the conference. The rabbis attended the conference, despite it taking place on Shabbat. RELATED:Haredi MKs attacked in Mea ShearimNaturei Karta’s Hirsch, dies in JerusalemEarlier this month, dozens of members of the extremist anti-Zionist group gathered at Kikar Shabbat, in the ultra-Orthodox Mea She'arim/Geula neighborhood, to burn an Israeli flag as a provocation during the two-minute siren marking Holocaust Remembrance Day at 10 a.m. on Monday.Around 15 news photographers came to document the event, according to reports, though the photos never materialized when bystanders wrestled the flag away from the Neturei Karta and prevented them from burning it.Melanie Lidman contributed to this report.