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IRIS Dena frigate hit in Indian Ocean as conflict widens beyond Middle East; Sri Lankan forces launch rescue operation

Here’s a website-ready SEO news story in English based on the latest verified reports: SEO Headline: U.S. Submarine Sinks Iranian Warship Near Sri Lanka, Dozens Dead and Many Missing Sub-Headline: IRIS Dena frigate hit in Indian Ocean as conflict widens beyond Middle East; Sri Lankan forces launch rescue operation Meta Description: A U.S. submarine sank an Iranian warship off the southern coast of Sri Lanka, killing at least 87 sailors and leaving many missing. The sinking marks a dramatic escalation in the expanding Iran conflict. Breaking News: Iranian Warship Sunk Off Sri Lanka by U.S. Submarine In a dramatic turn of events that has stunned the world, a U.S. military submarine has sunk an Iranian naval warship off the southern coast of Sri Lanka, in what officials describe as a rare and significant escalation in the ongoing conflict involving Iran, the United States, and allied forces. 

Reuters +1 According to official statements, the Iranian frigate IRIS Dena was struck by a torpedo fired from an American submarine in international waters near Sri Lanka’s Galle region. U.S. Defence Secretary Pete Hegseth confirmed the attack, describing it as the first time since World War II that a U.S. submarine has used torpedoes to sink an enemy warship. 

Al Jazeera Casualties and Rescue Efforts Sri Lankan authorities responded quickly after receiving a distress call from the Iranian vessel early on Wednesday. Rescue operations led by the Sri Lankan Navy and Air Force managed to pull dozens of sailors from the water and transport them to hospitals in Galle, where many were treated for injuries. 

Al Jazeera At least 87 crew members have been confirmed dead so far. 

Numerous crew members remain missing, with ongoing search efforts under way.  Reuters The warship, part of Iran’s Southern Fleet, was reportedly returning from participation in international naval exercises in India before it was struck. 

Anadolu Ajansı International Reactions and Wider Conflict

The sinking of the IRIS Dena comes amid a broader military campaign in which the U.S. and allied forces have been carrying out strikes against Iranian targets, following a recent escalation in hostilities in the Middle East. This naval encounter marks a new geographic expansion of the conflict into the Indian Ocean — far from the traditional theaters of combat. 

 Sri Lankan officials have stated that their involvement is limited to fulfilling maritime search and rescue obligations, as the incident occurred outside the country’s territorial waters. 

Anadolu Ajansı Significance and Concerns Analysts say the attack represents a major escalation, raising concerns about how widely the conflict may spread and the potential implications for international maritime security. The use of submarine warfare in this manner — especially so far from the Middle East — draws global attention to how rapidly tensions have intensified. 

The Guardian As rescue and recovery operations continue, the international community watches closely for responses from Tehran and further developments in the evolving conflict landscape.