Tasnim � A memorial service was held in Tehran on Sunday in commemoration of those who were killed in a terrorist attack on the Iranian Parliament a year ago.

The memorial service in Tehran was held on the first anniversary of martyrdom of 17 Iranians who were killed during the attack on the parliament by members of the Daesh (ISIL) terrorist group.

Senior police commanders and top parliamentary officials attended the mourning ceremony.

On June 7, 2017, terrorists launched simultaneous attacks on Iran�s parliament building and on the mausoleum of late founder of the Islamic Republic Imam Khomeini in Tehran.

Daesh claimed responsibility for the attacks, which killed 17 people and wounded more than 40.

All five gunmen directly involved in the attacks were killed by security forces.