Iranian commuters pass a huge anti-US billboard reading in Persian, 'The devil army will be drowned in the Persian Gulf', erected on Enghelab Square in Tehran, on September 14, 2026. Iran's nuclear chief was blocked from attending an annual conference on September 14, at the headquarters of the UN's nuclear agency in Vienna due to opposition from the United States, Iranian state television said. He was due to attend the annual general conference of the International Atomic Energy Agency (IAEA), the UN's nuclear watchdog, which runs until for the week in Austria. (Photo by ATTA KENARE / AFP via Getty Images) /