Several people were reported injured today after armed men burst into Tehran's parliament building and the mausoleum of revolutionary founder Ruhollah Khomeini, state media said.
One member of parliament told state broadcaster IRIB that there were three gunmen inside the parliamentary complex in central Tehran, armed with rifles and a pistol.
News agencies ISNA and Fars said three people had been shot, including at least one security guard.
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IRIB and Fars said an armed man was inside the mausoleum in southern Tehran, around 20 kilometres from the parliament building, with reports of several injuries.
Shiite Iran has been singled out as a target by Sunni jihadists, including the Islamic State group, but has largely escaped attacks within its urban centres.
Iran provides key ground forces against IS and other rebel groups in Syria and Iraq.
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