Indian navy evacuates ship after first civilian fatalities in Houthis' Red Sea attacks

India's navy evacuated all 20 crew from a stricken vessel in the Red Sea on Thursday, after a Houthi attack killed three seafarers in the first civilian fatalities from the Yemeni group's campaign against the key shipping route.

The Iran-aligned militants fired a missile at the Barbados-flagged, Greek-operated True Confidence on Wednesday about 50 nautical miles off the southern Yemeni port of Aden, setting it ablaze.

In a statement, the owners and manager said all 20 crew and three armed guards on board were taken to hospital in Djibouti in the Horn of Africa by an Indian warship.

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Two of the dead were Filipino nationals, while the third was Vietnamese, the owners and managers said, expressing condolences to families. Two other Filipinos were also severely injured.

Vietnam on Thursday condemned the attack, and said one of the Vietnamese crew died while the remaining three nationals were in good health.

Images released by the Indian Navy showed a helicopter winching crew members from a small life raft in choppy seas and taking them to a naval ship.

Some wounded were shown lying in the bottom of a navy lifeboat sent to assist. They were carried on stretchers onto the ship and were shown later with heavily bandaged limbs as they were evacuated to the Djibouti hospital.

"The vessel is drifting well away from land and salvage arrangements are being made," the companies said in the statement.

A salvage contract for the vessel has been signed, a spokesperson for the companies told Reuters, declining further details citing security issues.

The Houthis have kept up a relentless campaign of attacks on vessels in one of the world's busiest shipping lanes since November, in what they say is solidarity with the Palestinians during Israel's war with Hamas in Gaza.

"The loss of life and injuries to civilian seafarers is completely unacceptable," leading global shipping associations said on Thursday.

"The frequency of attacks on merchant shipping highlights the urgent need for all stakeholders to take decisive action to safeguard the lives of innocent civilian seafarers and put an end to such threats."

The cost of insuring a seven-day voyage through the Red Sea has risen by hundreds of thousands of dollars since November.

War risk insurance rates have already reflected the sinking of the Rubymar cargo ship, days after being hit by a Houthi missile on February 18, and the first fatalities from the True Confidence, said Munro Anderson, head of operations at marine war risk and insurance specialist Vessel Protect – part of Pen Underwriting.

"So, the degree to which they create any further upwards pressure is likely to be limited in the short term," he said.

• Yemen's Houthi attack on a ship kills 2, marking the rebels' first fatal assault on shipping