Iran has confirmed the death of its supreme leader, Ayatollah Ali Khamenei, in US and Israeli air strikes on the weekend, raising questions for the next leader of a country in a region bracing for further attacks. US President Donald Trump called Khamenei “one of the most evil people in history” and said the strikes delivered justice for Iranians, Americans and others “killed or mutilated” by him. As the US and Israeli attacks on Iran entered a second day, Tehran declared a seven-day public...