Sitting on the Dnipro River in Russian-occupied Ukraine is Europe’s largest nuclear power station – on the frontline of a worsening war.
Over a period of a few weeks we spoke to two workers at the Zaporizhzhia plant.
And the warnings they gave of what could happen should send a cold chill around the world.
The interviews were conducted on the condition of anonymity and at great personal risk to them. They told us that if they were caught, they could be tortured, imprisoned, or worse. They know the dangers but still wanted to be heard.
Neither of the technicians knew that we were talking to the other. But their testimony of the possibility of a major nuclear catastrophe was worryingly familiar. One of the men, who we will call Serhii, warned the consequences could cause devastation across much of Europe, Russia and the Mediterranean.
“The level of radioactive pollution, and most importantly the area of contamination, will be thousands of square kilometres of land and sea… it would be much, much worse than Fukushima and worse than Chernobyl.”
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While some nuclear experts think that such an eventuality is unlikely, others have told us it’s a possible worst case scenario.
The Zaporizhzhia nuclear plant was captured by Russian forces in March last year at the beginning of Moscow’s invasion of Ukraine. Since then there have been major concerns about safety at the plant. Not least of all because heavy weapons, including shells and rockets, have hit the buildings.
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Both sides blame each other. But our sources told us that Russia has been deliberately targeting power lines to disrupt the flow of electricity to Ukraine. These lines are essential for plant safety and the cooling mechanism of the reactors.
For 30 years, workers at Europe’s largest nuclear power station couldn’t imagine that there could be a power outage.
Since Russian forces occupied the site last year it has happened seven times.
The back-up generators we were told are also not being properly maintained, the other man, Mykola, told us that this was because of staff shortages.
He says that before the war there were 11,000 staff at the plant and now there may be as few as 3,500.
“There is the same deficit of workers for repairs who can actually do the servicing and fix problems. The quality of the workers is lower because the qualified staff left. So generally the situation here is deteriorating.”
Five of the six reactors are now in cold shutdown, but there are fears Russia may use the power plant to stage a false flag attack.
Ukraine’s defence ministry alleges Moscow could be about to simulate a major accident, such as a radioactive leak, as a way of stopping any Ukrainian counteroffensive in the south of the country.
Image: Satellite view of Zaporizhzhia nuclear power plant on fire
Ukraine is expected to order its troops to reclaim territory lost at the beginning of the war in the coming weeks.
The power station has been under occupation now for 15 months and the technicians have told us that in the last few weeks the level of military activity has increased dramatically.
They’ve witnessed Russian forces, moving more armour, more ammunition and more guns into place as they fortify their positions.
Serhii says that he thinks it’s because they know the nuclear plant is safe from Ukrainian strikes.
“Ukrainian armed forces will not shell the station. That’s why they are multiplying the numbers of troops and vehicles here because if they did it in another place they would definitely get shelled by the armed forces of Ukraine.
“The thing is, one month and half ago there were two times less troops on the power station and now there are two times more which means they are definitely preparing for the counteroffensive.”
Image: The men spoke to Sky News about their experience at the plant
Mykola told us it’s a frightening place to work, but he has no choice.
“Everyone has their own story. And I think the most important thing is not to get into their hands because it’s unlikely you will get out and still be the human you were when you went in.”
The International Atomic Energy Agency is carrying out inspections, but it continues to express grave concerns about the nuclear plant and is calling for the area to be demilitarised immediately.
But there is no sign that will happen. In fact, it’s quite the opposite.
A top Russian admiral has appeared in a video call – a day after Ukrainian special forces claimed he had been killed in a missile strike.
Admiral Viktor Sokolov – the commander of Russia’s Black Sea Fleet and one of Russia’s most senior naval officers – was reportedly killed in last week’s strike on the naval port of Sevastopol, according to Ukrainian officials.
The Russian Defence Ministry did not immediately respond when asked by news agencies to confirm or deny if Mr Sokolov had been killed.
However, the ministry released a video on Tuesday appearing to show Mr Sokolov attending a conference with other top Russian military officials via video link.
Mr Sokolov was not seen speaking in the footage of the conference – led by Russia’s defence minister Sergei Shoigu.
It is not clear when the footage was filmed, though Russia’s defence ministry claimed the meeting took place on Tuesday.
Image: Mr Sokolov (pictured left) appeared at a military conference via video link – though it is not clear when the footage was taken
Ukraine special forces said on Telegram: “Since the Russians were urgently forced to publish a response with Sokolov allegedly alive, our units are clarifying the information.”
In the video, Mr Shoigu said more than 17,000 Ukrainian soldiers had been killed in September and that more than 2,700 weapons, including seven American Bradley fighting vehicles, had been destroyed.
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Both Russia and Ukraine have at times exaggerated enemy losses in the war, while also saying little about their own losses.
Michael Clarke: It is possible Admiral Sokolov lives – but Russia needs to produce more convincing evidence
Sky News’ defence and security analyst Professor Michael Clarke says: “We’ve looked at the video, it’s not very clear and it jumps around quite a lot.
“We’ve located the person on the video who looks most like Sokolov, and it may be him, but it’s not a completely clear match.
“It could be Sokolov, looking at previous photographs of him. On the other hand, there’s still no proof that this video is really current.
“There’s a lot of evidence that Sokolov was in the building that was hit on Friday by a couple of Storm Shadow missiles.
“So it is possible that Sokolov lives. But I think the Russians would have to produce more convincing evidence than this if they want to be taken seriously on this particular issue.
“And it’s odd that producing a rather vague video and saying he’s here somewhere and leaving it to news organisations like us to try to work out who it might be is less than clear in the message they were trying to send.”
On Monday, Ukraine’s special forces claimed they had killed Mr Sokolov and 33 other officers in last week’s missile attack on the headquarters of Russia’s Black Sea Fleet in Sevastopol.
“After the strike on the headquarters of the Russian Black Sea Fleet, 34 officers died, including the commander of the Russian Black Sea Fleet,” Ukraine’s special forces said on the Telegram messaging app.
“Another 105 occupiers were wounded. The headquarters building cannot be restored.”
Kremlin spokesman Dmitry Peskov declined to comment on Ukraine’s claim that it had killed Mr Sokolov, instead referring reporters to the defence ministry.
Image: A screengrab from social media shows smoke billowing from the top of a building, alleged to be the Black Sea Fleet Headquarters, following a missile attack in Sevastopol
Image: Video appeared to show the strike on the Black Sea headquarters in Sevastopol
In a statement after the attack, the Russian defence ministry said one serviceman was missing, revising an earlier statement that the man had been killed.
Moscow-installed authorities in Sevastopol also said they were taking extra measures to address Ukraine’s increased attacks on Crimea.
The attack came after an earlier strike on Sevastopol, in which a Russian submarine and warship were damaged.
Russian opposition leader Alexei Navalny has lost his appeal against a 19-year sentence added to his existing jail term.
It was imposed in August after he was convicted on six charges related to alleged extremist activity – which he denied.
The appeal was rejected by a judge in Moscow, with Mr Navalny – wearing a black prison uniform – joining by video link from prison.
Media were not allowed to witness proceedings apart from the reading of the verdict.
The 19-year sentence was imposed on top of 11 and a half years that he was already serving after being convicted of fraud and other charges.
Mr Navalny has said all the charges are politically motivated and an attempt to silence his criticism of President Vladimir Putin‘s repressive regime and the war in Ukraine.
Hispolitical movement has been outlawed and declared “extremist”, with its main players either being jailed or fleeing Russia.
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President Putin makes a point of never referring to Mr Navalny by name as part of an attempt by authorities to portray him as irrelevant.
Image: Mr Navalny pictured on a video feed at his sentencing in August
The 47-year-old politician returned to the country voluntarily in 2021 after nearly dying when he was poisoned with a nerve agent in a suspected Russian plot.
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He was immediately arrested when he landed and is imprisoned in Melekhovo, about 145 miles (235 km) east of Moscow.
A TV technician who worked for Mr Navalny, sentenced at the same trial in August, also had his appeal against an eight-year sentence rejected on Tuesday.
Daniel Kholodny shouted “Alexei, see you!” just before the video feed of the hearing ended, with Mr Navalny waving his hand in response.
A body of a migrant was found this morning on Sangatte beach near Calais.
The authorities confirmed she was a 24-year-old Eritrean woman.
In August, at least six people died and dozens more were rescued after a migrant boat crossing the English Channel capsized.
The incident took place off Sangatte in northern France.
A vigil was held in the port town of Folkestone for the victims as participants called for “safe routes” and “enough deaths”.
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