The Parliament Speaker , addressed the ceremony stating : " Today is a hard day for the Iranian nation . Farewell to dear ones , who were sadly martyred . The terrorists fell short of their aim " . In President Rouhani 's speech , he stressed : " The nation will undoubtedly emerge victorious " . Adding that the attacks " were an act of revenge against democracy " . On 18 June 2017 , under Operation Laylat al-Qadr , Iran 's Islamic Revolution Guards Corps ( IRGC ) fired six surface-to-surface mid-range ballistic missile from domestic bases targeting ISIL forces in the Syrian Deir ez-Zor Governorate in response to the terrorist attacks in Tehran
terrorist attacks in Tehran
2017 Tehran attacks
Reactions to the 2017 Tehran attacks