UN Under-Secretary General for Humanitarian Affairs and Emergency Relief Coordinator Valerie Amos arrived in Tehran on Wednesday on an official one-day visit, IRNA reported.

According to the UN Information Center in Tehran (UNIC), this is the third official visit of the UN official to Iran. Her earlier missions occurred in September 2013 and August 2014.

Amos is expected to meet senior Iranian officials, including Minister of Foreign Affairs Mohammad Javad Zarif and Deputy Foreign Minister Hossein Amir-Abdollahian.

She will be discussing with Iranian officials regional issues, including the situation in Iraq, Yemen and Syria.