Europe has “maybe six weeks or so (of) jet fuel left”, the head of the International Energy Agency says, warning of possible flight cancellations “soon” if oil supplies remain blocked by the Iran war. IEA executive director Fatih Birol painted a sobering picture of the global repercussions of what he called “the largest energy crisis we have ever faced”, stemming from the pinch-off of oil, gas and other vital supplies through the Strait of Hormuz.