Iran said on Saturday it executed eight people convicted in the 2017 attack on parliament and the shrine of Ayatollah Ruhollah Khomeini in Tehran.
The June 7, 2017 attack has so far been the only assault by the militant Islamic State group inside of Iran, which has been deeply involved in the wars in Iraq and Syria where the militants once held vast territory.
The judiciary’s official Mizan news agency and semi-official news agencies in Iran acknowledged the executions, but did not say when they took place. Executions in Iran are carried out by hangings.
While Iran is one of the world’s top enforcers of the death penalty, such mass executions are rare.
In August 2016, human rights activists criticised Iran for carrying out the mass execution of 20 militants from a group identified as Jihad and Tawhid after a six-year trial. In August 2007, Iran hanged seven men convicted of rape in Mashhad at the same time.
Mizan noted in its report that the executions came after the eight men had been tried and convicted in a trial that included both eyewitness testimony and video footage showing their involvement.
“These eight worked directly ... in martyring and wounding a number of innocent compatriots,” Mizan said.
The news agencies on Saturday named those executed as Soleiman Mozafari, Esmail Sufi, Rahman Behrouz, Majed Mortezai, Sirous Azizi, Ayoub Esmaili, Khosro Ramezani and Osman Behrouz.
The miitant Islamic State group attack killed at least 18 people and wounded more than 50. It saw gunmen carrying Kalashnikov assault rifles and explosives storm the parliament complex where a legislative session had been in progress, starting an hours long siege. Meanwhile, gunmen and suicide bombers also struck outside Khomeini’s mausoleum on Tehran’s southern outskirts.
Khomeini led the 1979 Islamic Revolution that toppled the Western-backed shah to become Iran’s first supreme leader until his death in 1989.