U.S. Secretary of State Marco Rubio concluded his three-day tour of Gulf countries with a visit to Bahrain, Reuters reported June 25. During the tour, Rubio has sought to reassure Gulf countries that their economic and security interests will be represented in any final U.S.-Iran deal. During the meeting in Bahrain, Omani officials reiterated that they intend for the Strait of Hormuz to reopen without charging any transit fees or tolls.