Iran navy vows 'deadly retaliation' over Dena ship sinking

Iran's Navy commander Rear Admiral Shahram Irani vowed deadly retaliation after the US submarine allegedly sank the Iranian warship IRIS Dena in international waters off Sri Lanka, killing at least 87 sailors. The incident, which occurred on March 4 during the vessel's return from a joint exercise with India, has sharply escalated US-Iran military tensions. Iran's leadership framed the event as an act of war, promising retribution from unexpected directions.