At least 15 people including children were killed in an armed attack at a Shia shrine in Iranian city of Shiraz.
Terror outfit Islamic State has claimed responsbility for the October 26 attack.
Reports from Iran media have referred to the attackers as 'takfiri terrorists', a term used by Shias for hardline, armed Sunni Islamists .
Two of the three assailants have been nabbed with local reports claiming that the gunmen were not Iranian nationals.
The attack at the Shia shrine took placeon the same day when Iran's security forces reportedly opened fire at those mourning Mahsa Amini's death.
Mourners on October 26 had gathered at a Kurdish cemetry to mark 40 days of Amini's death.
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