07/03/2026

US Submarine Sinks Iranian Warship in Indian Ocean, 148 Missing

Updated 1 day ago: The death toll increased from at least 85 to at least 87 sailors, the incident date was specified as March 4, 2026, the location was updated to international waters near Sri Lanka, tensions between the US and Iran were noted to have escalated, Iran condemned the strike as an 'atrocity,' the IRIS Dena's recent participation in naval exercises with the Indian Navy was mentioned, and Congress leaders in India criticized Prime Minister Modi for his silence regarding the conflict's implications for India's oil supplies.

A US submarine sank the Iranian warship IRIS Dena in international waters near Sri Lanka, reportedly killing at least 87 sailors. The attack occurred on March 4, 2026, and has escalated tensions between the US and Iran, with Iran condemning the strike as an 'atrocity.' The IRIS Dena had recently participated in naval exercises with the Indian Navy. Following the incident, Congress leaders in India criticized Prime Minister Narendra Modi for his silence, stating that the conflict has implications for India's oil supplies, as over 40% transit through the Strait of Hormuz. The US Defense Secretary confirmed this was the first sinking of an enemy warship by a torpedo since World War II.

Published 2 days ago • 04 Mar 2026, 07:32 PM IST

Sources