Officials in New Delhi say that an Iranian warship that was sunk by a U.S. submarine near Sri Lanka had participated in naval exercises hosted by India before heading out into international waters in the Indian Ocean on its way home.

The IRIS Dena was headed back to Iran from Visakhapatnam, India, where it participated in a multination naval exercise.

Days before the sinking of IRIS Dena, India granted permission for the Iranian ship IRIS Lavan to dock at Kochi port due to technical issues. This decision, made on March 1, allowed IRIS Lavan and its 183 crew members to safely shelter,

The Iranian frigate sunk by a U.S. submarine last week had just left an Indian naval exercise. Now India's political opposition is demanding answers.

Iran sought permission for IRIS Lavan to dock at Kochi days before a US submarine torpedoed Iranian frigate IRIS Dena near Sri Lanka.

The reported sinking of the Iranian warship IRIS Dena by a US submarine using a Mark-48 torpedo in the Indian Ocean has triggered debate among military lawyers and analysts about whether the strike was lawful under international law.

The Indian government had quietly approved a different Iranian ship the IRIS Lavan to dock at the southwestern port of Kochi before the US Navy sank the Iranian warship IRIS Dena off the coast of Sri Lanka,

At least 87 sailors were killed after the US attack on the 'IRIS Dena', an Iranian Moudge-class frigate, that was on its way home after participating in the Indian Navy's IFR 2026

Iran’s deputy foreign minister Saeed Khatibzadeh says Tehran will resist “to the last soldier” after a US submarine sank frigate IRIS Dena off Sri Lanka

The Indian Navy has clarified its role regarding the sunken Iranian warship IRIS Dena. Senior officials directly involved in the sequence of events have made it unequivocally clear that IRIS Dena ceased to be a guest of the Indian Navy from the afternoon of February 25,