US submarine sank Iranian warship off Sri Lanka’s coast, Hegseth says

Defence secretary confirms strike on Iris Dena in first US attack on Iranian forces outside Middle East during conflict Middle East crisis – live updates The US has carried out a submarine torpedo strike that sank an Iranian warship off the south coast of Sri Lanka, according to the US secretary of defence. Pete Hegseth confirmed that the US was behind the deadly strike on an Iranian frigate that killed more than 80 people, as it was sailing close to the Sri Lankan coast.