Iran's intelligence minister says the mastermind behind Wednesday's attacks in Tehran, which killed 17 people, has himself been killed by security forces.
"The mastermind and main commander of terrorist attacks on the parliament and Mausoleum of Ayatollah Khomeini was killed today by the security forces," Mahmoud Alavi was quoted as saying by Tasnim news agency on Saturday.
The jihadist group Islamic State had claimed responsibility for the attack, by suicide bombers and gunmen.