Saudi Arabia has agreed to admit an Iranian diplomat to head an office representing Iranian interests in the kingdom, the official Iranian news agency IRNA reported on Sunday, in a rare move after the two rivals broke relations in 2016.
“An informed diplomatic source said Sunday that Saudi Arabia had agreed to grant a visa to the head ... of Iran’s interests section,” IRNA reported. “Observers saw this... as a positive diplomatic step in the Tehran-Riyadh relations.”
The office is expected to be set up within the Swiss diplomatic mission in Saudi Arabia, based on an agreement signed in 2017.
There was no immediate official Saudi reaction to the Iranian report.
The kingdom, the regional rival of mostly Shi'ite Iran, presents itself as the guardian of Islamic orthodoxy and custodian of its holiest places in Mecca and Medina.
Riyadh severed diplomatic relations after Iranian protesters stormed the Saudi Embassy in Tehran following the execution of a Shi'ite cleric in Saudi Arabia in January 2016.
Both countries agreed to Switzerland's offer of its traditional policy of good offices and to act as a diplomatic channel between the two countries.
Saudi Arabia welcomed President Donald Trump's decision in May to withdraw the United States from an international nuclear agreement with Iran and to reimpose economic sanctions on Tehran.
In an interview published on the Iranian Foreign Ministry's website, the ministry spokesman said there had been a "breakthrough" in relations between the two regional rivals.
"Up until two weeks ago, no visa had been issued for the names that we had submitted a long time ago," spokesman Bahram Qasemi said.
"But within the last week or two, there has been a breakthrough and I think there are indications that the office for the protection of interests will be opened," he added.
Tension between the two countries have surged in recent years, with Saudi Arabia and Iran supporting opposite sides in wars in Syria and Yemen and rival political parties in Iraq and Lebanon.
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