Rescuers pulled six crew members alive from the Red Sea, while 15 were still missing from the second of two ships sunk in attacks claimed by Yemen's Iran-aligned Houthi militia.
Four of the 25 people aboard the Eternity C cargo ship were killed before the rest of the crew abandoned the vessel, which sank this morning after being attacked on Monday and yesterday, sources at security companies involved in a rescue operation said.
The six seafarers who were rescued had spent more than 24 hours in the water, they said.
The Houthis confirmed today that they had sunk the Eternity C.
"The yemeni navy responded to rescue a number of the ship's crew, provide them with medical care, and transport them to a safe location," the group's military spokesperson said in a televised address.
The Houthis claimed responsibility for a similar attack on Sunday targeting another ship, the Magic Seas.
All crew from the Magic Seas were rescued before it sank.
End to months of calm
The attacks on the two ships revive a campaign by the Iran-aligned fighters, who had attacked more than 100 ships from November 2023 to December 2024 in what they said was solidarity with the Palestinians, before a lull in their campaign earlier this year.
"These vessels have been attacked with callous disregard for the lives of innocent civilian seafarers and as an in evitable but terrible consequence, seafarers have been killed," leading shipping industry associations said in a joint statement.
"This tragedy illuminates the need for nations to maintain robust support in protecting shipping and vital sea lanes."
Rescue operation
Both of the ships that were attacked flew Liberia flags and were operated by Greek firms.
Some of the sister vessels in each of their wider fleets had made calls to Israeli ports in the past year, shipping data analysis showed.
"We will continue to search for the remaining crew until the last light," said an official at Greece-based maritime risk management firm Diaplous.
The EU's Aspides naval mission, which protects Red Sea shipping, confirmed in a statement that six people had been pulled from the sea.
Vital pathway for oil producers
The Red Sea, which passes Yemen's coast, has long been a critical waterway for the world's oil and commodities.
Traffic has dropped since the Iran-aligned Houthi militia began targeting ships in November 2023 in what the group said was solidarity with Palestinians against Israel in the Gaza war.
The number of daily sailings through the narrow Babal-Mandab strait, at the southern tip of the Red Sea and a gateway to the Gulf of Aden, numbered 30 vessels on 8 July, from 34 ships on 6 July and 43 on 1 July, according to data from maritime data group Lloyd's List Intelligence.
Oil prices rose today, maintaining their highest levels since 23 June, also due to the recent attacks on ships in the Red Sea.
Eternity C attacks and alleged kidnappings
Eternity C was first attacked on Monday afternoon with sea drones and rocket-propelled grenades fired from speed boats by suspected Yemen-based Houthi militants, maritime security sources said.
Lifeboats were destroyed during the raid. By yesterday morning the vessel was adrift and listing.
Two security sources said the vessel was hit again with sea drones yesterday, forcing the crew and armed guards to abandon it.
The Houthis stayed with the vessel until the early hours today, one of the sources said.
There were fears that some of the crew who jumped into the water may have been kidnapped by Houthis, the source added. Skiffs were in the area as the rescue efforts were underway.
The crew comprised 21 Filipinos and one Russian. Three armed guards were also on board, including one Greek and one Indian, who was one of those rescued.
The vessel's operator, Cosmoship Management, has not responded to requests for confirmation of casualties or injuries.
If confirmed, the four reported deaths would be the first fatalities from attacks on shipping in the Red Sea since June 2024.
Greece has been in talks with Saudi Arabia, a key player in the region, over the latest incident, according to sources.
