The sinking underscored the scope of the U.S.-Israeli war with Iran and its spread in the Middle East and beyond. It also ignited a debate in India about maritime security in the Indian Ocean. Sri Lanka's navy said it had responded to a distress signal from the IRIS Dena, but by the time it reached the location, there was no sign of the ship, just patches of oil and sailors floating in the water. The rescued mariners were taken to a hospit... [3541 chars]