President Donald Trump threatened military action against Oman, an ally of the United States, if its negotiations with Iran over the Strait of Hormuz interfere with U.S. efforts to reach a peace deal ...

US President Donald Trump threatened Oman over its role in talks involving Iran, while claiming that Washington has a direct back-channel to the Islamic Revolutionary Guard Corps (IRGC).

Earlier this month, Tehran said it had agreed a shipping route through the Strait of Hormuz with Oman, which sits on the other side of the vital waterway.