The deadline passed on Monday for the start of a US military blockade of ships leaving Iran's ports, and Tehran threatened to retaliate against ports of its Gulf neighbours after weekend talks on ending the war broke down.
Oil prices surged, with no sign of a swift reopening of the Strait of Hormuz to ease the biggest ever disruption in supplies.
FRANCE 24's International Affairs Editor Kethevane Gorjestani tells us more.
#Hormuz #Iran #Trump
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