Overview On 19 March 2026 , the State of Qatar declared the persona non grata for Iran’s military attache and security attache . They were ordered to leave within 24 hours following Iran’s attack on a large gas facility in Qatar. Key Developments Qatar’s Foreign Ministry issued a note on 18 March 2026 labeling the two Iranian attache offices as persona non grata and gave a 24‑hour deadline for departure. The decision was communicated during a meeting between Ibrahim Yousif Fakhro and Iranian Ambassador Ali Salehabadi . Qatar cited repeated Iranian targeting, breach of UNSC Resolution No. 2817 , and violation of its sovereignty and security. Qatar warned that any further hostile actions would trigger “additional measures” and affirmed its right to act under international law . Important Facts The gas facility attacked is a critical component of Qatar’s energy export economy, contributing significantly to national revenue. Iran’s aggression marks an escalation in the broader Iran‑Israel war , affecting Gulf geopolitics. Qatar’s swift diplomatic response underscores its reliance on legal and diplomatic channels rather than military retaliation. UPSC Relevance Understanding this incident helps aspirants with: International Relations (GS1) : Dynamics of Gulf politics, the role of UN resolutions, and the use of diplomatic tools like persona non grata . Polity (GS2) : State sovereignty, diplomatic protocol, and the legal basis for expelling foreign officials. Security Studies (GS4) : Implications of energy infrastructure attacks on national security and regional stability. Way Forward Analysts suggest that Qatar may pursue the following steps: File a formal complaint with the United Nations to reinforce the breach of UNSC Resolution 2817 . Strengthen security around critical energy assets, possibly through joint exercises with allied Gulf states. Engage in diplomatic outreach to garner broader international support against Iranian aggression. Maintain a calibrated response to avoid further escalation while protecting national interests. For UPSC preparation, focus on the legal instruments invoked, the diplomatic mechanisms employed, and the broader geopolitical context of the Gulf region.