Sir Keir Starmer said Britons should not panic over the economic impact of the Iran war but acknowledged people might have to change their shopping habits and holiday plans. The Prime Minister, who will lead a meeting of the ministerial Iran crisis committee on Tuesday, said “at the moment” the Government was confident about supply chains. He said the UK was doing “everything we can” to reopen the Strait of Hormuz, the vital oil and gas shipping route which has been effectively closed by Iran