DUBAI: The foreign ministers of the US and Oman have discussed ways to contain the escalating tensions in the Gulf region and create conditions for renewed diplomacy. Omani Foreign Minister Sayyid Badr Al-Busaidi and US Secretary of State Marco Rubio spoke over the telephone on Tuesday about the need to tackle “outstanding issues” in ways that support regional security and stability, Oman’s state news agency reported. Oman has played a central mediating role in the US-Iran conflict and is leadin