US submarine sank Iranian warship off Sri Lanka’s coast, Hegseth says

The Guardian - World NewsEN 3 min read 100% complete by Hannah Ellis-Petersen in Delhi and Aanya Wipulasena in ColomboMarch 4, 2026 at 02:33 PM
US submarine sank Iranian warship off Sri Lanka’s coast, Hegseth says

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According to the US Secretary of Defense, a US submarine torpedoed and sank an Iranian warship, the Iris Dena, off the coast of Sri Lanka on Tuesday night. The attack resulted in the deaths of over 80 Iranian sailors. Sri Lanka's coastguard received a distress call and dispatched naval vessels to the scene, which was located 44 nautical miles from Galle, within Sri Lanka's economic zone but outside its territorial waters. The attack marks an escalation in hostilities between the US and Iran amid the ongoing war in the Middle East and is the first US military action against Iran outside of that region since the conflict began. The Iris Dena, a modern frigate equipped with various missiles and weaponry, was likely returning from an international fleet review hosted by the Indian navy.

Keywords

torpedo strike 90% us submarine strike 90% iranian warship 80% middle east conflict 80% sri lanka coast 70% us-iran tensions 70% sri lankan navy 60%

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