Iran holds naval war games amid rising tensions with U.S.

Iran launched naval drills at the mouth of the Gulf and the Indian Ocean on Sunday, a naval commander said, as tensions with the United States escalated after U.S President Donald Trump put Tehran "on notice".Since taking office last month, Trump has pledged to get tough with Iran, warning the Islamic Republic after its ballistic missile test on Jan. 29 that it was playing with fire and all U.S. options were on the table.Iran's annual exercises will be held in the Strait of Hormuz, the Gulf of O