President of the long-haul airline Emirates Tim Clark speaks to journalists at the Dubai Air Show in Dubai, United Arab Emirates, Tuesday, Nov. 14, 2023. Long-haul carrier Emirates signaled Tuesday it will hold off on a major purchase of Airbus A350 aircraft over concerns about their Rolls Royce engines, marking a major blow for the European manufacturer as it hopes to close the sale during the Dubai Air Show this week. (AP Photo/Lujain Jo) ///