Senior representatives from Washington and Tehran are set to discuss Iran's controversial nuclear programme on Saturday in the Gulf state of Oman. The US special envoy Steve Witkoff and Iran's Foreign Minister Abbas Araghchi are expected to attend the opening of the dialogue,

Once again, some of the highest stakes in Middle East geopolitics will be discussed in this quiet coastal city without skyscrapers. Here in Muscat, the capital of Oman nestled against the sheer stone heights of the Hajar Mountains,

The United States and Iran on Saturday began "indirect" negotiations on a new nuclear deal in the Gulf Arab nation of Oman.