In photos: Gunmen and suicide bombers attack in Iran's capital
Four attackers dead after hours long siege
A boy is evacuated during an attack on the Iranian parliament in central Tehran.Tima Agency/Reuters
A woman is evacuated during an attack on the Iranian parliament in central Tehran.Reuters
A video framegrab from Islamic State-affiliated Amaq News Agency purports to show a gunman inside Iranian parliament in Tehran.Reuters
Women are seen inside the parliament during an attack in central Tehran.Tima Agency/Reuters
Iranian lawmakers sit inside the parliament during an attack in central Tehran.Tima Agency/Reuters
An Iranian policeman holds a weapon as he stands by a window at the Iranian parliament.Omid Vahabzadeh/AFP / Getty Images
Blood is seen at the scene of an attack on the Iranian parliament.Reuters
A man takes cover during an attack on the Iranian parliament.Reuters
An Iranian policeman takes cover during an attack on the Iranian parliament.HANDOUT/Reuters
A body, background left, lies on the ground while police control the scene at the shine of late Iranian revolutionary founder Ayatollah Khomeini.Ebrahim Noroozi/The Associated Press
Members of Iranian forces take cover during an attack on the Iranian parliament.Reuters