Iran has said that it had finally received an official invitation from Saudi Arabia to take part in this year’s Hajj.

The news comes two weeks after Riyadh announced it had invited Iran to attend this year’s Hajj rituals.

Iranians did not attend Hajj in 2016 after relations between Tehran and Riyadh were damaged following the torching of its missions in Tehran and Mashhad by protesters last January.

Also, Iran has strongly criticized Saudi rulers for the 2015 Mina stampede that caused deaths estimated at well over 2,000 pilgrims.

The pilgrims were suffocated or crushed during the annual Hajj pilgrimage in Mina, Mecca, Saudi Arabia on 24 September 2015.

Senior Iranian officials have urged the Saudi regime to apologize for the incident.

“The Saudi government is obligated to shoulder its heavy responsibility in this bitter incident and meet its obligations in compliance with the rule of righteousness and fairness. Mismanagement and improper measures that were behind this tragedy should not be overlooked,” Iran’s Supreme Leader Ayatollah Seyyed Ali Khamenei has said.

Iran’s Hajj affairs representative Ali Ghazi Askar said that the tone of the letter was not much different from past letters.

He added that Iran would respond in the coming days.

This was the first time in three decades that Iran didn’t dispatch pilgrims to partake in Hajj rituals.