US President Donald Trump threatened Iran on Saturday after the funeral of supreme leader Ayatollah Ali Khamenei saw open calls for his killing, further underlining the tensions gripping the Middle East, as an interim deal to end the war buckles under repeated crossfire in the region. Trump made the comments on social media after senior US officials demanded that Iran make a public statement saying the Strait of Hormuz is open and that ships crossing the vital corridor would not be attacked any...