An explosion was reported close to the airport in the Iranian city of Isfahan, according to the Iranian semi-official FARS news agency. The cause of the explosion is currently unknown, and local sources have confirmed hearing the blast in the city of Ghahjaworstan, northwest of Isfahan.
Flight tracking website Flight Radar 24 displayed multiple flights being diverted over Iranian airspace early Friday in response to the incident. Ghahjaworstan, situated near Isfahan Airport and the eighth hunting base of the Army Air Force, was the location where the explosion was heard.