Effects of Iran’s blockade will depend on how long crisis lasts as disruption ripples through supply chains Middle East crisis – live updates Effects of Iran’s blockade will depend on how long crisis lasts as disruption ripples through supply chains Middle East crisis – live updates The closure of the strait of Hormuz, the crucial oil and gas shipping route that has been blocked by Iran since the US-Israeli attacks began, is having ripple effects around the world, with most industries already