Prime Minister Andy Burnham is scheduled to host Sultan Haitham bin Tarik Al Said at Downing Street on Wednesday as part of a three-day state visit to the United Kingdom. The article characterizes Oman as a key Middle East ally and notes that the visit occurs amid ongoing US-Iran hostilities and a reported blockade of the Strait of Hormuz, though the specific status of the waterway and the nature of the conflict are presented without independent verification in the source text.