RIYADH, July 28 (Reuters) - Oman has presented a proposal to Iran for a joint regional mechanism to manage the Strait of Hormuz with voluntary fees, a Gulf source told Reuters on T

RIYADH, July 28 (Reuters) - Oman has presented a proposal to Iran for a joint regional mechanism to manage the Strait of Hormuz with voluntary fees, a Gulf source told Reuters on Tuesday. The Omani proposal has regional backing, is based on Strait of Malacca, source said. 1/2