U.S. submarine sinks Iranian warship in Indian Ocean as conflict widens The U.S. and Israel's war with Iran has expanded to the Indian Ocean, as a U.S. submarine sank an Iranian warship in international waters. Sri Lanka sinking The U.S. and Israel's war with Iran has expanded to the Indian Ocean, as a U.S. submarine sank an Iranian warship in international waters. Transcript JUANA SUMMERS, HOST: The U.S. and Israel's war with Iran has expanded to the Indian Ocean. That's where an American submarine sank an Iranian warship in international waters today close to Sri Lanka. NPR's Diaa Hadid reports from Mumbai. (SOUNDBITE OF ARCHIVED RECORDING) UNIDENTIFIED REPORTER: It is getting more and more intense and more and more bizarre. DIAA HADID, BYLINE: Initially, there was disbelief. This is Indian broadcaster NDTV. (SOUNDBITE OF ARCHIVED RECORDING) UNIDENTIFIED REPORTER: Now there are reports coming in of a submarine attack on an Iranian ship somewhere off the coast of Sri Lanka.…