In the wake of the June 2017 Tehran attacks committed by ISIL militants , the Iranian Revolutionary Guard Corps issued a statement blaming Saudi Arabia , while Saudi Foreign Minister Adel al-Jubeir said there was no evidence that Saudis were involved . Later Iranian official Hossein Amir-Abdollahian stated that Saudi Arabia is the prime suspect behind the Tehran attacks . The commander of IRGC , Major General Mohammad Ali Jafari , claimed that Iran has intelligence proving Saudi Arabia 's , Israel 's , and the United States ' involvement in the Tehran attack . Iran 's Supreme Leader Ayatollah Khamenei later accused the United States of creating ISIL and of joining Saudi Arabia in funding and directing ISIL in addition to other terrorist organizations
2017 Tehran attacks
2017 Tehran attacks
Iran–Saudi Arabia proxy conflict