This is the story of how an obscure company based in an office block on a quiet street in Glasgow became an accessory in Vladimir Putin’s war on Ukraine. It is the story of how Europe and Russia remain locked in a tense relationship of economic dependence, even as they supposedly cut their ties. It is the story of the uncomfortable truth behind why the cost of living crisis came to an end.

But before all of that, it is the story of a ship – a very unusual ship indeed.

If you ever spot the Yakov Gakkel as it sails through the English Channel or the Irish Sea (I first set eyes on it in the Channel but at the time of writing it was sailing northwards, about 20 miles off the coast of Anglesey) you might not find it all that remarkable.

At first glance it looks like many of the other large, nondescript tankers and cargo vessels passing these shores. Its profile is dominated by an enormous blue prow which reaches high out of the water and ends, 50 metres further back, at its unexpectedly angular stern.

Yet the ship’s slightly odd shape – all hull and barely any deck – is the first clue about what makes the Yakov Gakkel so special. Because this is one of the world’s most advanced liquefied natural gas (LNG) tankers, with an unusual trick up its sleeve.

LNG tankers are extraordinary ships, with insides so cleverly engineered they are capable of holding vast amounts of natural gas at temperatures of approximately −163C.

For all that the world is embracing renewable energy, natural gas remains one of the most important energy sources, essential for much of Europe’s heating and power, not to mention its industries. For the time being, there is no cheap way of making many industrial products, from glass and paper to critical chemicals and fertilisers, without gas.

Once upon a time, moving natural gas from one part of the world to another necessitated sending it down long, expensive, vulnerable pipelines, meaning only countries with a physical connection to gas producers could receive this vital fuel. But LNG tankers like the Yakov Gakkel are part of the answer to this problem, since they allow gas producers to send it by sea to anywhere with a terminal capable of turning their supercooled methane back into the gas we use to heat our homes and power our grids.

But the Yakov Gakkel can also do something most other LNG tankers cannot, for that enormous blue double hull allows it to carve through ice, enabling it to travel up into the Arctic Circle and back even in the depths of winter.

And that is precisely what this ship does, more or less constantly: travelling back and forth between Siberia and Europe, through winter and summer, bringing copious volumes of gas from Russia to Europe. It is part of the explanation for how Europe never ran out of gas, even after the Russian invasion of Ukraine.

This is not, it’s worth saying, the conventional wisdom. Back when Russia invaded Ukraine, European policymakers declared they planned to eliminate the continent’s reliance on Russian gas – which accounted for roughly a third of their supplies before 2022.

And many assumed that had already happened – especially after the Nord Stream pipeline, the single biggest source of European gas imports, was sabotaged in late 2022. But while volumes of Russian pipeline gas into Europe have dropped dramatically, the amount of Russian LNG coming into Europe has risen to record levels.

Russia helps Europe replenish gas stores

Today, Europe still depends on Russia for around 15% of its gas, an ever-growing proportion of which now comes in via the sealanes, on tankers like the Yakov Gakkel. And while the US has stepped in to make up some of the volumes lost when those pipelines stopped, only last month Russia overtook the US to become the second biggest provider of gas to the continent. It’s further evidence that those LNG volumes carried on ships through the North Sea, the Irish Sea and the English Channel, are increasing, rather than falling.

This Russian gas has helped Europe replenish its gas stores, it has helped keep the continent’s heavy industry going throughout the Ukraine war. And this dependence has not come cheap: the total amount Europe has paid Russia for LNG since 2022 comes to around €10bn.

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The continued presence of Russian gas running through European grids is at least part of the explanation for why European energy prices have fallen so sharply since those post-invasion highs. Back then, many in the market were pricing in a complete end of Russian gas supply to Europe – something that would have had disastrous consequences. But it never actually happened.

Perhaps this explains why the continent’s politicians have, so far, stopped short of banning imports of Russian gas: they are aware that their economy would struggle to withstand another sharp spike in inflation – which would almost certainly eventuate if it stopped taking Russian gas altogether.

This week, European leaders agreed to stop allowing Russia to use its ports to “trans-ship” its LNG – essentially acting as a stop-off point towards other destinations. However, those transshipments account for only a fraction – at most a quarter – of the Russian gas coming in on tankers to Europe. The vast majority ends up in Belgium, France and Spain, heating European homes, fuelling power stations and powering machinery in factories.

While European leaders have imposed wide-ranging sanctions and price caps on shipments of oil, no such controls exist for liquefied natural gas. So the Yakov Gakkel and a fleet of LNG tankers carry on sailing between Siberia and various ports in Europe – Zeebrugge, Dunkirk, Montoir and Bilbao – keeping the continent supplied with the Russian hydrocarbons it still cannot live without.

British firm’s role in lucrative trade

But there is another reason why this ship is particularly unique, for the Yakov Gakkel – this critical cog in the financial machine that helps finance the Russian regime – is actually part-owned and operated by a British company.

That brings us back to a street overlooking the Clyde in Glasgow, where, in a glass-fronted office block, you will find the operational headquarters of a company called Seapeak. The chances are you haven’t heard of Seapeak before, but this business owns and operates a fleet of LNG tankers all across the world.

That fleet includes the Yakov Gakkel and four other LNG icebreakers that ply this Siberian trade. That a British company might be facilitating this lucrative trade for Russia might come as a surprise, but there is nothing illegal about this: the sanctions regime on Russia just turns out to be significantly more porous than you might have thought.

We tried repeatedly to speak to Seapeak – to ask them about the Yakov Gakkel and whether they felt it was appropriate – given the UK has forsworn LNG imports – that a British company and British workers are helping administer this Russian trade. We sent emails with questions. However, they did not respond to our calls or our emails.

When, after weeks of efforts to get a response, I visited their offices in Glasgow, I was met by a security guard who told me Seapeak would not see me without an appointment (which they were refusing to give me). Eventually I was told that if I would not leave they would call the police.

Seapeak is not the only British company helping keep Russian gas flowing. While British insurers are banned from protecting oil tankers carrying Russian crude, there’s no equivalent sanction on Russian LNG ships, with the upshot that many of these tankers are insured by British companies operating out of the Square Mile.

We spent some time tracking another icebreaking tanker, the Vladimir Rusanov, as it approached Zeebrugge. It is insured by the UK P&I Club, which also insures a number of other LNG carriers.

In a statement, it said: “The UK Club takes great care to observe all applicable sanctions regulations in relation to Russian energy cargoes, but the direct carriage of LNG from Yamal to Zeebrugge, and provision of insurance services for such carriage, is not presently sanctioned. If the EU and G7 nations were to change their policy… the Club would of course comply by adjusting or withdrawing its services, as necessary.”

The transport of Russian gas into Europe – its dependence on British operators and insurers – is only one small example of the loopholes and omissions in the UK sanctions regime. But while government ministers have expressed concern about the effectiveness of the broader sanctions regime, there is still scant evidence they intend to tighten up this corner of it.

Before the election was called the Treasury Select Committee was in the middle of collecting evidence for its own inquiry into the regime, which was expected to focus on insurers of vessels taking Russian goods. However, the inquiry was wound up prematurely when the election was called in May.

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In the meantime, ships like the Yakov Gakkel carry on taking billions of cubic metres of gas from the gas fields of Yamal in Siberia down to Europe, in exchange for billions of euros. And those and other hydrocarbon revenues are one of the main explanations for how Russia is able to produce more missiles and weapons than the Ukrainians.

So Europe carries on fuelling its industry and its power and heating grids with molecules of gas coming from Siberian gasfields, while assuring itself it’s doing everything it can to fight Vladimir Putin.

It is, in short, a discomforting situation. But given the alternative is to induce another cost of living crisis, there is little appetite in Europe to change things.

The mother of missing Jay Slater says “words cannot describe the pain and agony” she and her family are feeling about the teenager’s disappearance.

The 19-year-old, from Oswaldtwistle in Lancashire, was last seen on 17 June after setting off to walk back to his accommodation while on holiday in Tenerife.

Despite an extensive search of the area by police and rescue teams over the last two weeks, he has not been found.

In a statement issued through the British overseas missing persons charity LBT Global, the teenager’s mother Debbie Duncan said the family were “absolutely devastated” by his disappearance.

“Jay is a normal guy who is in his third year of an apprenticeship, and he is a very popular young man with a large circle of friends,” she said.

“We are a very close family and are absolutely devastated about his disappearance.

“Words cannot describe the pain and agony we are experiencing. He is our beautiful boy with his whole life ahead of him and we just want to find him.

“We do not have any information on his whereabouts.”

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Helicopters, drones, and search dogs were deployed to find the apprentice bricklayer, who arrived on the island on 13 June for the NRG music festival with two friends.

His last known location was the Rural de Teno Park in the north of the Canary Island – about an 11-hour walk from his accommodation in the south.

He had travelled to an Airbnb in the village of Masca and the two men said to have rented the property were later ruled “not relevant” to the case

Ms Duncan praised the Spanish police, who she said had “worked tirelessly up in the mountains where Jay’s last phone call was traced”.

“They [police] conducted a land search for 12 days which involved every resource they had available,” Ms Duncan added.

“Although the land search ended, the Spanish police still continue with their investigations into why Jay had travelled to the location so far away from his accommodation.

“We offer our sincere thanks to the Spanish authorities, who continue to follow lines of inquiries.”

On Friday, the Guardia Civil appealed for experts in rugged terrain to assist in a “massive search” on Saturday.

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The search in and around Masca took in a steep rocky area, including ravines, trails and paths.

On Saturday, the Civil Guard confirmed that search efforts in the area had been called off after nearly two weeks – though detectives continue to pursue several lines of inquiry.

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As the family continues to hope for a breakthrough in investigations, Ms Duncan asked the media to respect their privacy and said they are aware of conspiracy theories surrounding the case.

She said she could only describe the speculation as “vile”, adding the “negative comments are extremely distressing” to the family.

“We also embrace the love and support we have received from across the globe,” she added.

“It has not gone unnoticed, especially his home town in Oswaldtwistle, Lancashire. As a family we would like the world to respect our privacy at this present time.”

Australian police are searching for a 12-year-old child who was reportedly attacked by a crocodile while swimming.

The alert was raised on Tuesday night in Palumpa, a remote Northern Territory town about seven hours drive from Darwin.

Police said the child was last seen swimming in a creek and that “initial reports stated the child had been attacked by a crocodile”.

A search involving officers and locals has been launched.

“Local officers are on scene and our thoughts are with the family and the community,” said senior sergeant Erica Gibson.

“Officers are currently searching a large section of the creek via boat and we thank the community for their ongoing assistance.”

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There are more than 100,000 crocodiles – some as big as 6m (20ft) – in the Northern Territory, an area more than six times the size of the UK.

Fatal attacks on humans are relatively rare, however.