A relatively moderate member of the Iranian parliament, Masoud Pezeshkian, has been declared the next president of Iran after beating his hardline conservative rival by a decisive margin in Friday’s run-off presidential elections. The 69-year-old will replace Ebrahim Raisi, who died in a helicopter crash last month. Dr Pezeshkian’s mostly young supporters took to the streets of the capital, Tehran, and other cities to celebrate - even before the final results were declared, singing,...