Iran war will hit UK growth the hardest of any rich economies, IMF says https://www.cnbc.com/2026/04/14/uk-downgrade-iran-war-uk-growth-middle-east-conflict-global-economy.html?taid=69de4780d30a260001cd7bc8&utm_campaign=trueanthem&utm_content=main&utm_medium=social&utm_source=twitter