World's worst energy crisis? Iran war sparks scramble for alternatives to Gulf oil

Will the world have enough fuel to fill the tanks and fertilise the crops? The seizure of ships by Iran is adding to global jitters as the extension of a ceasefire offers zero visibility on prospects for the planet's biggest choke point for oil and gas. Nearly two months on, the Paris-based International Energy Agency is calling it the biggest-ever energy disruption in history. We ask about prices at the pump, cancelled flights and more broadly, if oil's not flowing through the Strait of Hormuz, where to find it and what's the alternative?