Iranian media are reporting two separate shooting incidents at the Iranian parliament and the shrine of Ayatollah Ruhollah Khomeini in Tehran.
An armed man opened fire at Khomeini's mausoleum in southern Tehran and wounded a number of people, the semiofficial Fars news agency reported.
Meanwhile, at least one gunman fired shots inside parliament, wounding a guard, news agencies said.
Tehran lawmaker Elyas Hazrati was quoted as saying there were three attackers equipped with two Kalashnikovs and a pistol.
Some reports said a total of three people were shot. (Reuters, ILNA, Mehr, ISNA, and Fars)
Security forces on their way to the parliament where several attackers are reportedly still hiding:
Picture of security forces outside the parliament:
Picture that allegedly shows the moment an attacker blew himself up at the shrine of Ayatollah Khomeini South of the capital Tehran: