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How the war in Iran is shifting from bombardment to a test of wills

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A screen grab taken from a screen recording of the MarineTraffic website on April 21, 2026, shows a data visualisation of maritime traffic in the Gulf, Strait of Hormuz and Gulf of Oman from April 18 to April 20, amid a fragile US-Iran truce.

Mr Trump’s war on Iran has morphed from all-out bombardment to a volatile, costly standoff at the mouth of the Persian Gulf.

PHOTO: AFP

Anton Troianovski

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WASHINGTON – On the morning of April 23, a senior Iranian official wrote on social platform X that the country’s fighters were hiding in sea caves near the Strait of Hormuz, preparing to “devastate the aggressors.”

Eighteen minutes later, President Donald Trump posted on Truth Social: “I have ordered the United States Navy to shoot and kill any boat” that is “putting mines in the waters of the Strait of Hormuz.”

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