On June 20, 2026, Iran announced the closure of the Strait of Hormuz, citing Israeli actions as a violation of its agreement with the US — a claim the US military denied. The strait, just 34 kilometres wide at its narrowest point between Iran and Oman, carries around 20 million barrels of oil per day, representing roughly 20% of global seaborne oil trade. The closure came days after the US and Iran signed the Islamabad Memorandum on June 17, ending the war with a 60-day ceasefire extension.
International
Iran Announces Closure of Strait of Hormuz, Citing Israeli Ceasefire Violation; US Denies Claim
Key Points
- On June 20, 2026, Iran announced the closure of the Strait of Hormuz, citing Israeli actions as a violation of its agreement with the US — a claim the US military denied
- The strait, just 34 kilometres wide at its narrowest point between Iran and Oman, carries around 20 million barrels of oil per day, representing roughly 20% of global seaborne oil trade
- The closure came days after the US and Iran signed the Islamabad Memorandum on June 17, ending the war with a 60-day ceasefire extension
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• Iran: announced Strait of Hormuz closure (June 20, 2026); alleged Israeli ceasefire violation • Strait of Hormuz: 34 km wide at narrowest; between Iran-Oman; ~20% of global seaborne oil trade • Islamabad Memorandum (June 17, 2026): US-Iran agreement ending war; 60-day ceasefire extension • China receives about a third of its oil through the strait; India also a major affected nation
