At least 12 people have been killed and dozens more injured in Tehran as a result of double attack of a gunmen and suicide bombers targeted the Iranian parliament and the mausoleum of the founder of the Islamic Republic.

At the mausoleum of Ayatollah Ruhollah Khomeini (pictured) the founder of the Islamic Republic after deposing the Shah in 1979 two assailants entered territory of the shrine, killing a gardener and wounding several other people. One detonated a suicide vest, while the other was shot dead.

Islamic State claimed responsibility for the attacks on the highly symbolic sites, publishing a brief video that purported to show the assailants inside the parliament. If an Isis role is confirmed, this would be the first attack conducted by the terror group inside Iran.

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