US President Donald Trump sparked outrage in Iran on Wednesday after saying that "states that sponsor terrorism risk falling victim to the evil they promote".
Iranian foreign minister Mohammad Javad Zarif on Thursday slammed USA president Donald Trump's remarks on the Tehran terror attacks that killed 13 people.
"These agents who were supporters of the two terrorist groups, and had full coordination with them, were arrested and they were delivered to Tehran's judicial and security authorities", Fazelian said.
Six attackers mounted simultaneous gun and suicide bomb assaults on Iran's Parliament building and the tomb of the republic's revolutionary founder Ayatollah Khomeini in one of the most audacious assaults to hit Tehran in decades. Iranian Foreign Minister Mohammad Javad-Zarif called it "repugnant" on Twitter and said the Iranian people "reject" the statement.
Mr Trump said he prayed for the victims of Wednesday's twin attacks in the Iranian capital, which were claimed by Isis and killed at least 17 people.
The Islamic State (IS) group had said it carried out the attacks, which would be a first in Iran the BBC has reported.
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The embassy also pointed to the presidential election recently held in Iran in safe conditions with the participation of more than 73 percent of the population.
Iran has indirectly suggested that Saudi Arabia, its major regional rival and a USA ally, played a role in the attack. As reports said, several armed people tried to break their way into the Parliament building.
The White House released a statement from Mr Trump condemning the terrorist attacks in Tehran and offering condolences, but also implying that Iran is itself a sponsor of terrorism.
Saudi Arabia has denied involvement, Reuters reports.
"Iran has achieved stability precisely as a result of the fight against terrorism and the protection of internal security".
The comments sparked anger from Iranians on social media, who recalled the vigils in Tehran that followed the September 11 attacks.