The ship had taken part in naval exercises hosted by New Delhi and was in international waters, former Indian Foreign Secretary Kanwal Sibal says

Sources in Sri Lanka's defense ministry said the vessel was hit by a submarine, but a navy spokesperson rejected any reports on the cause of the ship sinking.

U.S. military strikes Iranian warship off Sri Lanka, prompting rescue operations for sailors amid escalating tensions.

Defence secretary confirms strike on Iris Dena in first US attack on Iranian forces outside Middle East during conflict

A U.S. submarine used a torpedo to sink and Iranian ship in the Indian Ocean Tuesday, the first such attack since WWII , the Pentagon said.

Sri Lanka's navy says around 140 people are feared missing after a military vessel went down off its southern coast.

A video purporting to show the sinking of an Iranian warship has been released by the United States Department of Defense. The type of warship and the exact date of when the video…

The ship had taken part in naval exercises hosted by New Delhi and was in international waters, former Indian Foreign Secretary Kanwal Sibal says

Iran's Deputy Foreign Minister condemns U.S. attack on unarmed vessel, emphasizing violations of international law and escalating tensions.

The sinking of an Iranian ship by the US near Sri Lanka brings the conflict uncomfortably close to India.