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UN begins pumping oil from decaying tanker off Yemen

The Yemen-flagged FSO Safer oil tanker has been moored for decades in the Red Sea off the coast of Yemen's western province of Hodeida
— Hodeida (Yemen) (AFP)

The United Nations said on Tuesday it had begun transferring one million barrels of oil from a rusting super-tanker off war-torn Yemen, in a bid to avert a catastrophic spill.

"The United Nations has begun an operation to defuse what might be the world's largest ticking time bomb," UN Secretary-General Antonio Guterres said in a statement.

"A complex maritime salvage effort is now underway in the Red Sea off the coast of war-torn Yemen to transfer one million barrels of oil from the decaying FSO Safer to a replacement vessel."

The transfer of 1.14 million barrels of Marib light crude from the 47-year-old FSO Safer to the new vessel is expected to take "less than three weeks," David Gressly, the UN's resident coordinator for Yemen, said on social media.

Salvage of oil tanker stranded off Yemen

Experts say success is far from certain, as scorching summer temperatures, ageing pipes and sea mines lurking in surrounding waters all pose potential threats to the operation.

"Because it is the start of the emergency phase of the project to remove the oil, we need to be very cautious," Sarah Bel, spokeswoman for the UN Development Programme, told reporters in Geneva.

The UN hopes the $143 million operation -- for which it is still $20 million short -- will eliminate the risk of an environmental disaster that it estimates would cost $20 billion to clean up.

Because of the Safer's position in the Red Sea, a spill would also cost billions of dollars per day in shipping disruptions through the Bab al-Mandab Strait to the Suez Canal, while devastating ecosystems, coastal fishing communities and lifeline ports.

The Safer, a floating storage and offloading facility, has been moored around 50 kilometres (30 miles) from the port of Hodeida since the 1980s.

The rusted hull of the beleaguered Yemen-flagged FSO Safer oil tanker in the Red Sea

It has not been serviced since war broke out eight years ago between Yemen's Huthi rebels, who control the capital Sanaa and the waters where the Safer is positioned, and a Saudi-led coalition backing the internationally recognised government based in the southern Yemeni city of Aden.

The ageing vessel, with its corroding hull, is carrying four times as much oil as was spilled in the 1989 Exxon Valdez disaster off Alaska.

- Disputes expected -

For years, a skeleton crew of workers remaining on the ship, numbering no more than seven or eight at any given time, have strained to prevent the kind of leak or on-board explosion that would spread a thin slick of oil across the surface of the Red Sea.

In March, the UN purchased a replacement vessel, the Nautica, with an eye towards getting the oil off the Safer.

The removal of the oil could take between one week and one month

Two months later, experts from the private company SMIT Salvage arrived to ensure the Safer could withstand the transfer operation.

Last week, the UN engaged in a symbolic handover of the Nautica to "the people of Yemen", though the shipping firm Euronav will continue to administer it on the UN's behalf for at least six months.

Even if the transfer succeeds, the Safer "will pose a residual environmental threat, holding viscous oil residue and remaining at risk of breaking apart," the UN has warned.

Disputes are also expected over ownership of the oil and the Nautica, which has been renamed the Yemen, pitting the Huthis against the Aden-based government.

"At this stage, an agreement could not be found on the actual sale of the oil," said UNDP chief Achim Steiner.

But some see progress on the Safer crisis as a positive sign.

The UN's Gressly believes cooperation over the Safer could pave the way for a more durable ceasefire between Yemen's warring parties.

Operation to avert an oil spill off Yemen's coast

The operation "could be a stepping stone for greater dialogue between the parties that are in conflict as we speak," he said.

"I hope it will be the beginning of the peace process," Fathi Fahem, the Yemeni business leader who first put forward the idea of a replacement vessel for the Safer two years ago, told AFP last week.

Hundreds of thousands of people have died in the fighting in Yemen or from indirect causes such as lack of food or water, in what the UN calls one of the world's worst humanitarian crises.

Yet clashes between the Iran-backed Huthis and the Saudi-led coalition have reduced sharply since a UN-brokered truce began in April last year, even though it lapsed in October.