Armenia invited to 3+3 format meeting in Tehran - Tehran Times

Meeting of FMs within 3+3 format kicks off in Tehran -UPDATED

Azerbaijani FM attends first 3+3 format ministerial meeting in Tehran - AZERTAC

Foreign office: Georgia won't attend 3+3 format meeting in Tehran

With Russia Distracted, Iran Is Filling Armenia's Power Vacuum

Tehran ready to host meeting in 3+3 format with the participation of Baku and Yerevan

What are the prospects of a revived 3+3 format? - Reconnecting the region

Lavrov arrives in Tehran to attend 3+3 format meeting on situation in South Caucasus - Russian Politics & Diplomacy - TASS

Armenia, Azerbaijan join Iran-hosted talks aimed at reconciliation

Azerbaijan Hosts Military Drills With Turkey Near Armenia As Foreign Ministers Meet In Tehran