A fire broke out on board aircraft carrier INS Vikramaditya on Friday morning when the ship was entering the harbour in Karwar. Navy officer Lieutenant Commander DS Chauhan died while trying to douse the blaze. The brave officer was immediately evacuated to the Naval Hospital at Karwar, INHS Patanjali, for treatment. However, the officer could not be revived. Navy has ordered a Board of Inquiry to probe the incident.