Research indicates that the new sweetener neotame may be capable of damaging cells in the lining of the intestine.
Rescuers are trying to find the helicopter on which President Ebrahim Raisi and Foreign Minister Hossein Amirabdollahian were travelling, state media reported.
Australian shares are set to open higher. China’s next rate decision ahead. Oil prices in focus after Iranian president’s helicopter crashes. Follow updates here.
Ebrahim Raisi has been seen as a possible successor to Ayatollah Ali Khamenei as supreme leader, the highest political and religious position in the Islamic republic.