The ongoing US-Iran-Israel war entered its 18th day on Wednesday, March 18, 2026, with major new developments pushing the conflict to a critical juncture. Iran launched a fresh salvo of ballistic missiles targeting Tel Aviv, while Supreme Leader Khamenei publicly vowed to keep the Strait of Hormuz closed, sending shockwaves through global energy markets. Meanwhile, Iran’s Foreign Minister Abbas Araghchi told Al Jazeera that this is “America’s war” and that Washington bears full responsibility for all consequences.

Iran Missile Strike on Tel Aviv: What Happened

On March 18, 2026, Iran launched a new salvo of ballistic and cruise missiles targeting Tel Aviv and central Israel, according to CNN reports confirmed by Israeli defense officials. The attack came as retaliation for the assassination of Iranian National Security Council Secretary Ali Larijani, who was killed in an Israeli airstrike earlier this week. At least two people were killed and several injured in the strike, as CNN cameras captured what appeared to be cluster munitions visible in the skies over central Israel.

Israel’s Iron Dome and Arrow missile defense systems intercepted many of the incoming projectiles, but some struck densely populated areas in the greater Tel Aviv region. US CENTCOM confirmed that American naval assets in the Eastern Mediterranean provided additional missile defense support during the attack.

Khamenei Vows to Keep Strait of Hormuz Closed

In a major escalation, Iran’s Supreme Leader Ayatollah Ali Khamenei made a dramatic public statement on March 18, 2026, declaring that the Strait of Hormuz will remain shut as long as Iran faces military attacks from the United States and Israel. This announcement has severe implications for global energy markets, as the Strait of Hormuz is the world’s most important oil chokepoint, through which roughly 20 million barrels of oil per day flow — accounting for nearly one-fifth of global daily consumption.

Khamenei stated that Iran would seek compensation from its enemies for the damages caused in the war, while his son Mojtaba Khamenei added that the US must shut all its bases in the region. The closure of the Strait has already sent oil prices surging past $100 per barrel, with major oil supertanker rates hitting all-time highs as marine war risk insurers have begun withdrawing coverage from the Persian Gulf region.

Iran’s Foreign Minister: ‘This is America’s War’

Iranian Foreign Minister Abbas Araghchi gave a strongly-worded interview to Al Jazeera on March 18, 2026, placing full blame for the regional war on the United States. He argued that Washington is directly responsible for all consequences arising from its military deployment and support for Israel’s military operations in Iran and Lebanon. He refuted claims that Iran deliberately targets civilians, defended Iran’s missile and drone responses as proportional, and cautioned that the continued US military buildup in the Gulf makes further escalation inevitable.

Araghchi also hinted at potential new regulations for navigation in the Strait of Hormuz, going beyond the outright closure currently in place. He dismissed ceasefire proposals and called instead for a comprehensive resolution to the entire conflict, rather than temporary pauses. Turkey’s NATO air defenses reportedly intercepted a third missile from Iran, prompting Ankara to ask Tehran for clarification about the incident.

US Military Escalation: Pentagon Reports 15,000+ Targets Hit

The US Pentagon confirmed on March 18, 2026, that US and Israeli forces have collectively struck more than 15,000 targets inside Iran since the war began. US Defense Secretary Pete Hegseth warned that Friday, March 20, 2026, will bring the greatest number of US airstrikes on Iran yet, as part of a new phase of the campaign. President Trump separately stated that the US would escort oil tankers through the Strait of Hormuz “if needed,” and vowed to hit Iran “very hard over the next week.”

In a G7 call, Trump reportedly claimed that Iran was “about to surrender,” according to Axios. However, on the ground and in Iranian state media, massive explosions were heard in central Tehran, with Iranians chanting religious slogans during the US and Israeli airstrikes. The US Embassy cancelled visa appointments until March 20, 2026, citing security concerns.

Impact on India: Oil Prices, Trade, and Geopolitical Risks

The US-Iran war and the closure of the Strait of Hormuz has significant implications for India, which imports approximately 85% of its crude oil needs. With oil prices surging past $100 per barrel and shipping routes through the Persian Gulf disrupted, India is facing potential fuel price hikes in the near future. The Indian government has been monitoring the situation closely, with the Ministry of Petroleum in contact with OPEC+ members to secure alternative supply routes.

India’s shipping industry is also facing challenges, as supertanker rates have hit all-time highs. Indian Oil Corporation (IOC) and other public sector refining companies are exploring alternative crude sources from the US, Russia, and West Africa to compensate for potential Gulf supply disruptions. The Indian Rupee has seen downward pressure against the US Dollar due to the geopolitical uncertainty.

International Response: UN, Russia, and China

UN Secretary-General Antonio Guterres made a solidarity visit to Beirut on March 18, 2026, calling on all parties including Hezbollah and Israel to stop the war. He condemned the escalation and urged immediate diplomatic efforts to prevent a wider regional conflict. The UN Chief also called for immediate humanitarian access to affected areas in Iran, Lebanon, and Israel.

Russia’s nuclear watchdog confirmed there were no radiation changes detected in Iran, allaying fears about the safety of Iran’s nuclear facilities amid ongoing strikes. A Russian nuclear official also stated that the IAEA is trying to broker a new nuclear deal between the US and Iran. China donated $200,000 to the families of victims of a school strike in Iran, while publicly calling for an immediate ceasefire.

What Comes Next: Scenarios and Analysis

Analysts are watching three key scenarios as the US-Iran war enters its third week. The first scenario is a rapid Iranian capitulation: if Iran’s military infrastructure is sufficiently degraded, Tehran might agree to a comprehensive deal, which could include nuclear limitations in exchange for a ceasefire. Trump’s G7 claim that Iran is “about to surrender” suggests this may be the US goal.

The second scenario is a prolonged stalemate: Iran continues its asymmetric war strategy, using missiles, drones, and Hormuz closure as leverage, while absorbing US and Israeli strikes. This scenario would keep oil prices elevated and could lead to a global energy crisis, particularly impacting oil-importing nations like India, Japan, South Korea, and European Union member states.

The third scenario is a wider regional escalation: Hezbollah fully enters the war, Iraq-based militias step up attacks on US bases, and other proxy forces activate. This could drag in other regional powers and make a diplomatic solution extremely difficult to achieve.

Conclusion: World on Edge as Iran-US War Hits Day 18

As the US-Iran-Israel war enters Day 18 on March 18, 2026, the world stands at a crossroads. The combination of missile strikes on Tel Aviv, Khamenei’s Strait of Hormuz closure vow, and the Pentagon’s announcement of record strikes ahead has created one of the most dangerous geopolitical moments in decades. The conflict has already claimed thousands of lives, displaced millions, and triggered a global oil supply shock.

For India and other major oil-importing nations, the stakes are extremely high. Diplomatic channels remain open, with the UN, Russia, China, and several European nations working behind the scenes to broker a ceasefire. But with both sides escalating, any breakthrough remains elusive. The world will watch closely what March 20, 2026 brings, as the US reportedly prepares its largest barrage of strikes on Iran yet. Stay tuned to Press of Asia for live updates on this developing situation.