Airspace closures across the Middle East have left tens of thousands of travellers stranded and forced airlines to divert routes, threatening to derail the fragile recovery in Asia’s tourism and aviation sectors, as the conflict involving the US and Israel against Iran continues to escalate. Major transit hubs, including Dubai and Doha, remain shut or are operating at reduced capacity for a third straight day, upending Europe–Asia connections that depend heavily on Gulf airspace. Airlines are...