MOSCOW (Sputnik) — Iranian security forces have arrested 21 militants linked to the Islamic State (ISIL or Daesh) terrorist group (banned in Russia) in the country's northeastern city of Mashhad, Deputy Prosecutor of the city Hassan Heidari said on Thursday.
"Right upon arrival, these individuals had been under covert surveillance by intelligence forces. Following the terrorist attacks on Tehran, 21 members of the terrorist groups were arrested during a timely operation," Heidari said as quoted by the Mehr news agency.
On June 7, a twin terrorist attack in the Iranian capital of Tehran left at least 17 people dead and more than 40 injured. A group of four people in women's clothing opened fire in the Iranian Parliament building, which was followed by a deadly explosion. Another attack involved an explosion near the Imam Khomeini shrine.