Foreign ministry says officials have started regional tour, with Oman as intermediary, to push for solution to the Saudi-led operation against the Houthi movement.
Analysis: Iran's Houthi allies have been targeted by Tehran's nemesis, Saudi Arabia. Iran, which is taking part in talks over its nuclear programme, now has Riyadh in its diplomatic sights.
Analysis: The ill-considered remarks of a senior presidential aide have posed critical questions about Iran's regional role and ignited a political firestorm, adding to diplomatic tensions in the region.