Lyse Doucet: Strait of Hormuz remains the fault line as the Iran and US drift back into war

The fragile truce between the U.S. and Iran has collapsed, with the Strait of Hormuz emerging as the primary point of contention. Both nations hold conflicting interpretations of a recent memorandum of understanding regarding the management of the strategic waterway.
Why it matters
The escalation of conflict in the Strait of Hormuz threatens global energy security and international stability.
Image source, Reuters By Lyse Doucet Chief International Correspondent Published 14 July 2026 The fragile "no war, no peace" situation since the US and Iran signed a tentative deal last month now seems to have tipped into war.
This on-again off-again truce could again wobble back into life through the efforts of increasingly exasperated Arab and Pakistani mediators, and the preference of both sides to avoid a return to a drawn out, all-out war.
But its biggest fault line is the status of the strategic Strait of Hormuz - and Iran is again making it clear that its control over this vital maritime corridor is a big, bright red line that neither military, economic nor diplomatic pressure can break.
"We told you: keep your word or pay the price," is how Iran's lead negotiator Mohammad Bagher Ghalibaf recently phrased it on social media, quoting the agreement.
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