India, March 6 -- India has allowed an Iranian warship to dock at the southern port of Kochi following a request from Tehran, and the vessel's 183-member crew has been accommodated at naval facilities, government officials said on Friday, two days after an Iranian frigate was torpedoed and sunk by a US submarine near the coast of Sri Lanka.

IRIS Lavan, an amphibious warfare vessel, was in the region to participate in an International Fleet Review hosted by India last month. It docked at Kochi on Wednesday, the same day that the frigate IRIS Dena was sunk about 19 nautical miles off Sri Lanka's coast, killing 87 sailors and dramatically widening the US-Iran conflict.

On Thursday, Sri Lankan authorities allowed another Iranian warship - I...