Mogherini met with Foreign Minister Jawad Zarif and was due to meet with President Hassan Rowhani in an effort to achieve a breakthrough in the conflict, in which regional powers Iran and Saudi Arabia have taken opposite sides.
Centienos panākt atrisinājumu konfliktam, kurā Irāna un Saūda Arābija atbalsta pretējās puses, Mogerīni Teherānā sestdien tikās ar Irānas ārlietu ministru Džavadu Zarifu un prezidentu Hasanu Rohani.