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Iran Dismisses Ceasefire Offer as April 8 Deadline Lapses

Tehran rejects US ceasefire proposal, escalating tensions in the Strait of Hormuz as global shipping scrambles to reroute from the vital chokepoint.

3 min read
An oil tanker sailing through the Strait of Hormuz with military ships in the background.
Approximately 20 percent of the world's oil transits through the Strait of Hormuz daily.

TLDR

Donald Trump has set a Tuesday, April 8 deadline for Iran to reopen the Strait of Hormuz, threatening military action. Oil prices have climbed over $119 per barrel, and Australia's fuel security is under review.

KEY TAKEAWAYS

01Global oil prices have surged above $119 per barrel amid escalating US-Iran tensions.
02Trump has threatened to bomb Iranian infrastructure if the Strait of Hormuz is not reopened by April 8.
03Australia faces fuel security concerns with less than 40 days of petrol reserves.

Global oil markets were thrown into turmoil on Monday after US President Donald Trump announced a new deadline for Iran. He demanded the immediate reopening of the Strait of Hormuz by Tuesday, April 8. Prices for Brent crude jumped 8 percent to trade above $119 a barrel on the news.

The ultimatum came via a post on Trump's Truth Social platform late on April 6. The post was characteristically blunt. Trump wrote that Iran "can be taken out in one night, and that might be the answer."

Trump issues stark military ultimatum

In a follow-up post just two hours later, Trump elaborated on his military threat. He said he would "bomb every bridge and power plant" in Iran if his demands were not met. The post sent shockwaves through diplomatic channels and financial markets.

The United States Fifth Fleet, based in Bahrain, has maintained a heightened state of readiness for over three weeks.

Tehran's defiant response

Iran's government swiftly rejected a US-backed ceasefire proposal that was drafted by Egypt, Pakistan and Turkey and passed on by Pakistan over the weekend. The Foreign Ministry in Tehran issued a terse statement on Monday morning. It called the proposal "unacceptable" and an attempt at coercion.

Foreign Ministry spokesman Esmaeil Baghaei called the proposal "illogical" and said Iran could not take part in negotiations under threat.

Markets react with alarm

The immediate market reaction saw Brent crude, the global benchmark, surge to $119.45, its highest level in 18 months. Commodity traders are bracing for further volatility ahead of the Tuesday deadline. The Strait of Hormuz is the transit point for around 20 percent of the world's total oil consumption.

Australia's fuel security under pressure

The crisis prompted an immediate diplomatic response from key US allies. The office of Japanese Prime Minister Sanae Takaichi announced she is planning an urgent visit to Australia next week. Discussions will centre on securing alternative fuel supply chains for the Indo-Pacific region.

In Canberra, Climate Change and Energy Minister Chris Bowen addressed the nation's preparedness. Bowen said on Saturday, April 4, that Australia held 39 days of petrol and 29 days of diesel in reserve.

FREQUENTLY ASKED QUESTIONS

Why is the Strait of Hormuz so important?
The Strait of Hormuz is a critical maritime chokepoint. Approximately 20-21 million barrels of oil per day, or about 20% of global petroleum liquids consumption, pass through it. A closure would severely disrupt global energy supplies.
What are Australia's fuel reserve levels?
As of April 7, 2026, Australia's onshore reserves stand at 39 days' worth of petrol and 29 days' worth of diesel. This is below the 90-day supply recommended for member countries by the International Energy Agency (IEA).
What could happen to oil prices if there is a conflict?
Market analysts are forecasting that a direct military conflict and a full closure of the Strait of Hormuz could cause oil prices to surge past $150 per barrel. This would lead to a dramatic increase in fuel costs for consumers and businesses worldwide.
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