Unconfirmed Iranian media reported later claimed that seven people have been killed and four held hostage in a shooting inside the parliament complex.
"Unconfirmed reports say seven people martyred in #Iran's parliament shooting spree/4 taken hostage," the Tasnim news service said on its Twitter account.
According to eyewitnesses, attackers were carrying 2 Kalashnikov rifles and a handgun.
After the shooting, one of the attackers escaped the building, bur he was captured as he was on the run, FarsNews reported citing a ranking member of the parliament.
According to the Iranian media, one of the gunmen claimed to be a suicide bomber has been surrounded by security forces inside the Iranian parliament complex
However, according to the latest reports, one of the attackers blew himself up inside the parliament building.
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