Overview On 28 February 2026 , coordinated air strikes by Israel Defence Minister Israel Katz and President Donald Trump targeted Iran’s senior leadership. The operation was justified as a pre‑emptive move to “remove threats to the State of Israel”. Iran responded with missile and drone attacks on U.S. bases across the Gulf, closed the Strait of Hormuz , and triggered a massive humanitarian displacement in the Levant. Key Developments (28 Feb – 28 Mar 2026) 28 Feb: Joint Israel‑U.S. air strike on Iranian leadership; statements by Katz and Trump promising to cripple Iran’s military. 1 Mar: Iran launches retaliatory strikes on U.S. bases in Bahrain, Qatar and the United Arab Emirates, causing civilian casualties and temporary air‑space closures. 3 Mar: Iran blocks the Strait of Hormuz , halting a fifth of global oil and LNG shipments. 10 Mar: Global oil prices surge by over 30%; several Asian and European economies report fuel shortages. 15 Mar: UN refugee agency declares the West Asian crisis a “major humanitarian emergency”. 23 Mar: International Energy Agency chief Fatih Birol warns of the worst energy crisis in decades. 28 Mar: Cumulative displacement reaches ≈100,000 people in Lebanon; tens of thousands of Syrian refugees return across the border. Important Facts Iran’s blockade affected roughly 20 % of global oil and liquefied natural gas (LNG) flows . Oil price spikes led to inflationary pressures in oil‑importing nations, especially in South‑Asia. Humanitarian impact: over 100,000 internally displaced persons in Lebanon and a sudden influx of returning Syrian refugees, straining local resources. Energy analysts project a 10‑15 % reduction in global oil supply for the next quarter. UPSC Relevance The episode illustrates several core UPSC themes: Geopolitics & Security: Use of pre‑emptive strikes, doctrine of proportional response ( Iranian retaliation ), and the strategic importance of the Strait of Hormuz . Energy Security: Disruption of oil/LNG supplies underscores the vulnerability of global energy markets and the role of bodies like the International Energy Agency . Humanitarian & Refugee Issues: The crisis tests the capacity of the UN refugee agency and highlights the regional impact on host societies, a recurring GS2/GS4 topic. International Law & Diplomacy: The legality of pre‑emptive strikes, the principle of non‑intervention, and the role of the United Nations in conflict mitigation. Way Forward For policymakers and aspirants, the following steps merit attention: Strengthen diplomatic channels to de‑escalate Israel‑Iran tensions; multilateral mediation via the UN Security Council could prevent further closures of strategic chokepoints. Enhance regional energy cooperation, including strategic petroleum reserves and alternative supply routes, to mitigate price shocks. Mobilise humanitarian assistance through UN agencies and NGOs to address displacement, ensuring coordination with host governments. Review national security doctrines to balance deterrence with the risk of wider regional conflict, a key consideration for GS2 (Polity & International Relations). Understanding this crisis equips UPSC candidates to analyse the interplay of security, energy, and humanitarian dimensions in contemporary geopolitics.