An Iranian naval frigate, the IRIS Dena, was reportedly sunk after a submarine attack off the southern coast of Sri Lanka on Wednesday. At least 101 people are missing and 78 wounded, including 32 seriously, after the attack, according to news agency Reuters.
The IRIS Dena is a Moudge-class frigate, which was returning to Iran after participating in the MILAN 2026 multinational naval exercises in Visakhapatnam, India.