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US sub sinks Iranian warship in Indian Ocean, Hegseth says

US sub sinks Iranian warship in Indian Ocean, Hegseth says

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

March 4, 2026 at 04:56 PM Original source
13 agencies covered this story

Coverage by Political Leaning

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Lean Left
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Center
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Lean Right
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Notable Quotes

"that thought it was safe in international waters"

— Pete Hegseth , Executive

"calling for restraint and immediate de-escalation from all concerned parties"

— Vijitha Herath , Politician

"An American submarine sunk an Iranian warship that thought it was safe in international waters."

— Pete Hegseth , Executive

"the U.S. and Israel have 'only just begun' their war with Iran but declared Tehran 'is toast, and they know it.'"

— Pete Hegseth , Executive

"'If anything, I might have forced Israel’s hand.'"

— Donald Trump , Politician

"Yesterday, in the Indian Ocean...an American submarine sunk an Iranian warship that thought it was safe in international waters."

— Pete Hegseth , Executive

"The Iranian warship IRIS Dena, with 180 people on board, was in distress and sinking."

— Vijitha Herath , Politician

"While we were (doing) search operations, we found people floating in the water and rescued them."

— Buddhika Sampath , Other

"An American submarine sank an Iranian warship that thought it was safe in international waters."

— Pete Hegseth , Executive

"It was sunk by a torpedo, a quiet death – the first sinking of an enemy ship by a torpedo since World War II."

— Pete Hegseth , Executive

"By 6am we dispatched a naval vessel and by 7am the second naval vessel."

— Vijitha Herath , Politician

"Yesterday, in the Indian Ocean... an American submarine sunk an Iranian warship that thought it was safe in international waters."

— Pete Hegseth , Executive

"U.S. forces had destroyed more than 20 Iranian naval vessels as part of Operation Epic Fury."

— Dan Caine , Executive

"Yesterday, in the Indian Ocean ... an American submarine sunk an Iranian warship that thought it was safe in international waters."

— Pete Hegseth , Executive

"For the first time since 1945, a United States Navy fast attack submarine has sunk an enemy combatant ship using a single Mk-48 torpedo."

— Dan Caine , Executive

"Yesterday, in the Indian Ocean ... an American submarine sunk an Iranian warship that thought it was safe in international waters."

— Pete Hegseth , Executive

"For the first time since 1945, a United States Navy fast attack submarine has sunk an enemy combatant ship using a single Mk-48 torpedo to achieve immediate effect."

— Dan Caine , Executive

"a US Navy submarine sank the Iranian frigate IRIS Dena"

— Pete Hegeseth , Politician

"80 Iranian sailors have died"

— Arun Hemachandra , Politician

"the United States would 'bitterly regret' torpedoing an Iranian warship in the Indian Ocean."

— Mojtaba Khamenei , Politician

"the Iranian warship 'thought it was safe in international waters.'"

— Pete Hegseth , Executive

"The U.S. has perpetrated an atrocity at sea, 2,000 miles away from Iran's shores."

— Abbas Araghchi , Politician

"An American submarine sank ​an Iranian warship that thought it was safe in international waters."

— Pete Hegseth , Executive

"To hunt, find and kill an out-of-area deployer is something that only the United States can do at this type of scale."

— Dan Caine , Executive

"some senior Iranian officials want to lay down arms."

— Donald Trump , Politician

All Coverage

US sub sinks Iranian warship in Indian Ocean, Hegseth says
BBC Newsvia rss 2 quotes 2 persons

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

100%
Sri Lanka recovers 87 bodies from Iranian warship sunk off its coast by a US submarine
Associated Pressvia ai 1 quote 1 person

A U.S. submarine torpedoed and sank the Iranian warship IRIS Dena off the coast of Galle, Sri Lanka, resulting in the deaths of 87 personnel, with 32 others rescued and hospitalized.

80%
US sinks Iranian warship as Iran warns of widespread destruction in the Middle East
Associated Pressvia ai 2 quotes 2 persons

A U.S. submarine sank an Iranian warship in the Indian Ocean, leading to extensive U.S. and Israeli strikes on Iranian targets and Iranian retaliatory missile and drone attacks across the Middle East.

80%
US submarine sinks Iranian warship in the Indian Ocean, killing 87 people
Euronewsvia ai 3 quotes 3 persons

A U.S. submarine torpedoed an Iranian warship off the coast of Sri Lanka, resulting in the deaths of 87 personnel, with 32 others rescued and hospitalized.

80%
'Quiet Death': US Sub Sinks Iranian Frigate, First Torpedo Kill Since WWII
Military.comvia ai 2 quotes 2 persons

The downing of an Iranian warship in the Indian Ocean by U.S. Navy forces marks the first time an American submarine has destroyed an enemy vessel in combat since the final days of World War II.

80%
US submarine sinks Iranian ship in first torpedo kill since WWII, Pentagon confirms
Defense Newsvia ai 2 quotes 2 persons

A United States Navy submarine sunk an Iranian ship with a single torpedo as the frigate was transiting the Indian Ocean, marking the first such kill by a U.S. submarine since World War II, the Pentagon confirmed on Wednesday.

80%
US submarine sinks Iranian ship in first torpedo kill since WWII, Pentagon confirms
Air Force Timesvia ai 2 quotes 2 persons

A United States Navy submarine sunk an Iranian ship with a single torpedo as the frigate was transiting the Indian Ocean, marking the first such kill by a U.S. submarine since World War II, the Pentagon confirmed on Wednesday.

80%
Iran launches new attacks, saying US will 'bitterly regret' sinking warship, calls for Trump's blood
Associated Pressvia ai 1 quote 1 person

In retaliation for the U.S. Navy’s sinking of the Iranian warship IRIS Dena, Iran launched a new wave of attacks on U.S. and Israeli military targets, vowing that the United States would 'bitterly regret' the action. A senior cleric called for the death of former President Trump.

80%
At least 80 killed in US submarine strike on Iranian warship, Sri Lanka says
The Nationalvia ai 1 quote 1 person

At least 80 sailors were killed after a U.S. submarine attack on an Iranian ship off Sri Lanka's coast. This marks the first time a submersible has destroyed a navy vessel in decades.

80%
Iranian warship sunk by the US was sailing home after taking part in an exhibition hosted by India
Associated Pressvia ai

An Iranian warship, the IRIS Dena, was sunk by a U.S. submarine in international waters near Sri Lanka while returning home after participating in India's multilateral naval exercise MILAN 2026 and the International Fleet Review.

80%
Iranian Warship Sunk in Indian Ocean by US Navy submarine, Over 80 Dead
Naval Newsvia ai 2 quotes 2 persons

U.S. Secretary of War Pete Hegeseth stated that a US Navy submarine sank the Iranian frigate IRIS Dena off the coast of Sri Lanka, resulting in over 80 deaths.

80%
US submarine sank Iranian warship off Sri Lanka’s coast, Hegseth says
The Guardianvia ai 3 quotes 2 persons

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.

80%
Iran Warns U.S. Will 'Bitterly Regret' Sinking Iranian Warship
Timevia ai 4 quotes 4 persons

Iran has issued a stern warning to the United States after an American submarine sank the Iranian warship IRIS Dena off Sri Lanka’s coast during joint exercises with the Indian Navy, killing over 80 sailors and injuring more than 30.

80%