Iran war: What is happening on day 21 of US-Israel attacks?

Iran has declared it will exercise "zero restraint" following recent Israeli military actions targeting its energy infrastructure. This warning comes amidst a significant escalation of missile attacks across the Middle East, which began on March 20, 2026. The intensified conflict has led to considerable disruptions in global energy markets, particularly impacting oil and gas supplies to European and UK consumers.

Following an Israeli strike on Iran's South Pars gas field, Tehran responded with retaliatory attacks on Haifa, Israel, and Qatar's Ras Laffan. Subsequently, Iran's Islamic Revolutionary Guard Corps (IRGC) initiated missile and drone operations against U.S. military installations and key Israeli cities, including Tel Aviv, Haifa, and Jerusalem.

Regional Military Engagements Intensify

The broader Gulf region has also experienced increased military activity. The United Arab Emirates and Kuwait reported responding to missile attacks. Saudi Arabia's defense systems intercepted ten drones in its eastern territories and one in the north, indicating a wider geographical spread of the conflict.

Humanitarian Impact and Energy Market Disruptions

The Iranian Red Crescent Society has reported a significant humanitarian toll within Iran since the conflict's commencement on February 28. Casualties include over 18,000 civilian injuries and 204 child fatalities, contributing to a total of more than 1,400 deaths. These figures underscore the severe human cost of the ongoing hostilities.

The attack on Qatar's Ras Laffan liquefied natural gas (LNG) facility is projected to reduce its output by approximately 17 percent for up to five years. This disruption is expected to have a substantial impact on global LNG supplies, potentially leading to force majeure declarations on existing contracts with nations such as Belgium, Italy, South Korea, and China.

International Response and Strategic Waterways

French President Emmanuel Macron has indicated plans to engage the United Nations Security Council to address the security of navigation in the Strait of Hormuz. This critical maritime chokepoint is vital for global energy transit, accounting for 20 percent of the world's oil and gas shipments. Discussions regarding its security are anticipated once the immediate fighting subsides, highlighting international concerns over the conflict's broader economic and geopolitical ramifications.

Outlook on Regional Stability

The current escalation marks a critical juncture in regional stability, with direct implications for international energy security and global trade routes. The involvement of multiple state and non-state actors, coupled with the targeting of critical infrastructure, suggests a prolonged period of heightened tension. The international community's focus remains on de-escalation efforts and ensuring the unimpeded flow of global commerce through strategic waterways.

Further developments will likely center on diplomatic initiatives to mitigate the conflict and the ongoing assessment of its economic fallout, particularly concerning energy prices and supply chain resilience. The potential for broader regional destabilization remains a significant concern for global policymakers and markets alike.

Implications

Country Impact: The escalating conflict directly impacts regional stability, particularly in Iran, Israel, and Gulf states, leading to significant civilian casualties and heightened security concerns. Diplomatic efforts are expected to intensify to prevent further regional destabilization.

Industry Impact: The energy sector faces severe disruptions, with global oil and gas prices rising due to attacks on key infrastructure. The projected 17% reduction in Qatar's LNG output will impact global supply chains and energy contracts, particularly for European and Asian markets.

Market Impact: Global energy markets are experiencing volatility, with upward pressure on oil and gas prices. The potential for disruptions in the Strait of Hormuz, a critical chokepoint, poses a significant risk to global trade and could lead to broader economic uncertainty.