Ukraine is increasing its number of assault troops in the area, the 7th Rapid Response Corps said on Facebook.
And Ukrainian troops are also working to cut Moscow’s military logistics routes, it added.
The Russian defence ministry also said its forces defeated a team of Ukrainian special forces that headed to Pokrovsk in a bid to prevent Russian forces from advancing further into the city.
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‘Footage of Ukrainian troops after surrendering’
It later posted videos of two Ukrainian troops who, it claimed, had surrendered.
The footage showed the men, one dressed in fatigues and the other in a dark green jacket, sat against a wall in a dark room, as they spoke of fierce fighting and encirclement by Russian forces.
The videos’ authenticity could not be independently verified, and there was no immediate public comment from Kyiv on the Russian ministry’s claims.
Image: Ukrainian police officers on patrol in Pokrovsk. File pic: Reuters
Ukraine’s President Volodymyr Zelenskyy has previously acknowledged that some Russian units had infiltrated the city. But he maintained that Ukraine is tackling them.
He said Russia had deployed 170,000 troops in Ukraine’s eastern Donetsk province, where Pokrovsk is located, in a major offensive to capture the city and claim a big battlefield victory.
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Ukraine’s army chief Oleksandr Syrskyi said on Saturday the situation in Pokrovsk remained “hardest” for Ukrainian forces, who were trying to push Russian troops out.
But he insisted there was no encirclement or blockade as Moscow has claimed.
“A comprehensive operation to destroy and push out enemy forces from Pokrovsk is ongoing. The main burden lies on the shoulders of the units of the armed forces of Ukraine, particularly UAV operators and assault units,” Mr Syrskyi said.
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28:44
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Why is Pokrovsk important?
One of Moscow’s key aims has been to take all of Ukraine’sindustrial heartland of coal-rich Donbas, which comprises of the Luhansk and Donetsk provinces. Kyiv still controls about 10% of Donbas.
Capturing Pokrovsk, which Russian media has dubbed “the gateway to Donetsk”, and Kostiantynivka to its northeast, would give Moscow a platform to drive north towards the two biggest remaining Ukrainian-controlled cities in Donetsk – Kramatorsk and Sloviansk.
‘Key Russian fuel pipeline struck’
Meanwhile, Ukraine’s military intelligence, known as HUR, has said its forces have hit an important fuel pipeline in the Moscow region that supplies the Russian army.
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In a statement on Telegram, HUR said the operation late on Friday was a “serious blow” to Russia’s military logistics.
HUR said its forces struck the Koltsevoy pipeline, which is 250 miles long and supplies the Russian army with gasoline, diesel and jet fuel from refineries in Ryazan, Nizhny Novgorod and Moscow.
The operation, which targeted infrastructure near Ramensky district, destroyed all three fuel lines, HUR said.
The pipeline was capable of transporting up to three million tonnes of jet fuel, 2.8 million tonnes of diesel and 1.6 million tonnes of gasoline annually, HUR said.
Russia ‘targets gas production site’
Also overnight, Russia launched an attack on a gas production site in Poltava, in central Ukraine.
A fire broke out, the local administration said, but no injuries were reported.
Kyiv condemns ‘nuclear terrorism’
Ukraine’s foreign ministry has condemned Russian strikes this week on substations powering some of its nuclear plants.
It accused Russia of carrying out “targeted strikes on such substations” which “bear the hallmarks of nuclear terrorism”.
Elsewhere, a civilian died and 15 more were injured on Saturday morning after Russia struck the Mykolaiv region in southern Ukraine with a ballistic Iskander missile, local official Vitaliy Kim said.
A child was among those hurt in the strike, he added.
Russia launched a massive missile and drone attack on Ukraine overnight, after US and Ukrainian officials said they would meet for a third day of talks aimed at bringing the war to an end.
The two sides said they had made progress on a security framework for post-war Ukraine, but that any “real progress toward any agreement” will depend “on Russia’s readiness to show serious commitment to long-term peace.”
Russia launched 653 drones and 51 missiles in its attack on Ukraine, triggering air raid alerts across the country, Ukraine’s air force said.
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Ukrainian forces shot down and neutralised 585 drones and 30 missiles, the air force said, adding that 29 locations were struck.
At least eight people were wounded in the attacks, Ukraine’s minister of internal affairs Ihor Klymenko said.
Russia conducted a “massive missile-drone attack” on power stations and other energy infrastructure in several regions, Ukraine’s national energy operator Ukrenergo said on Instagram.
Ukraine’s Zaporizhzhia nuclear power plant temporarily lost all off-site power overnight, the International Atomic Energy Agency said.
The plant is in an area that has been under Russian control since early in Moscow’s invasion of Ukraine. It is not in service, but needs reliable power to cool its six shutdown reactors and spent fuel in order to avoid any catastrophic nuclear incidents.
Image: Russia struke a train station in the city of Fastiv. Pics: Reuters
Zelenskyy condemns ‘meaningless’ strikes
Ukrainian President Volodymyr Zelenskyy condemned the strikes as “meaningless” from a military point of view.
He said energy facilities were the main targets, but a drone strike had “burned down” a train station in the city of Fastiv, in the Kyiv region.
“The Russians’ goal is to hurt millions of Ukrainians, and they have sunk so low that they are launching missiles at peaceful cities on St. Nicholas Day,” he said.
“That is why additional pressure is needed. Sanctions must work, and so must our air defence, which means we must continue to support those who defend our lives.”
Ukraine strikes oil refinery
Meanwhile, Russia’s defence ministry said its air defences had shot down 116 Ukrainian drones over Russian territory overnight.
The General Staff of the Ukrainian Armed Forces said Ukrainian forces had struck Russia’s Ryazan Oil Refinery, while Russian Telegram news channel Astra shared footage appearing to show a fire breaking out and plumes of smoke rising above the refinery.
Over the last few months, Ukraine has used long-range drones to target Russian refineries in an attempt to deprive Moscow of the oil export revenue it needs to continue the war.
Meanwhile, Kyiv and its Western allies say Russia is trying to cripple Ukraine’s power grid and deny civilians access to heat, light and running water in winter, which Ukrainian officials call “weaponising” the cold.
On Monday, Mr Zelenskyy will meet Sir Keir Starmer in London to discuss the ongoing negotiations mediated by the US, along with French President Emmanuel Macron and German Chancellor Friedrich Merz.
Negotiations on a lasting ceasefire deal for Gaza are at a “critical moment”, the prime minister of Qatar, which has played a key role in brokering the deal, has said.
Sheikh Mohammed bin Abdulrahman said a definitive ceasefire could only happen with a full withdrawal of Israeli troops from the besieged enclave.
The first stage of a ceasefire deal was agreed in October, but violence in Gaza has not stopped. On Saturday alone, seven people were reportedly killed.
Palestinian local health authorities said the victims were from Beit Lahiya, Jabalia and Zeitoun in northern Gaza and included a 70-year-old woman who was killed by a drone strike.
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The Israeli military said that in two separate incidents on Saturday, forces deployed in northern Gaza behind the so-called yellow line of withdrawal agreed in the ceasefire had fired on Palestinian militants who crossed the line, killing three.
The military was unaware of any drone strike, a spokesperson said.
The long-sought ceasefire – and the second one after a first deal fell apart earlier this year – began on 11 October after Israel and Hamas agreed to the first phase of Donald Trump’s 20-point peace plan.
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Despite accusations by both sides of violations, talks on the next phase of the ceasefire deal began almost two weeks ago, with Turkish, Qatari and Egyptian officials meeting in Cairo to discuss the second part of the agreement, including deploying a stabilisation force and body to govern Gaza and oversee reconstruction.
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“We are at a critical moment. It’s not yet there. So what we have just done is a pause,” PM al-Thani said during a panel discussion at the Doha Forum conference in Qatar.
“We cannot consider it yet a ceasefire. A ceasefire cannot be completed unless there is a full withdrawal of the Israeli forces – (until) there is stability back in Gaza, people can go in and out – which is not the case today.”
On Thursday, an Israeli delegation held talks in Cairo with mediators on the return of the body of the last hostage held in Gaza, which would complete an initial part of Mr Trump’s plan to bring an end to the two-year war.
Since the truce started, Hamas has returned all 20 living hostages and 27 bodies in exchange for around 2,000 Palestinian detainees and convicted prisoners.
At least 50 people, including 33 children, have been killed in southern Sudan after a drone attack by paramilitary forces hit a nursery in South Kordofan state.
Sudan Doctors’ Network says paramedics on the scene in the town of Kalogi were also targeted by the Rapid Support Forces (RSF) in a “second unexpected attack”.
Rights group Emergency Lawyers reported a “third civilian site” near the previous two attacks was also targeted.
The death toll is expected to be higher, but communication blackouts have made it difficult to confirm the full number of casualties.
Emergency Lawyers says the strikes are a “flagrant violation of international humanitarian law, including the protection of civilians, especially children, and vital civilian infrastructure.”
UNICEF has urged both parties to stop the attacks immediately and allow safe access for humanitarian aid.
“Killing children in their school is a horrific violation of children’s rights,” said UNICEF representative for Sudan Sheldon Yett.
“Children should never pay the price of conflict.”
The attack on the nursery is among the latest in the two-year conflict between the RSF and Sudan’s military, where the focus has recently shifted to the oil-rich Kordofan states.
Image: A photo released by UNICEF shows displaced children and families from al-Fashir. (Mohammed Jammal/UNICEF via AP)
Hundreds of civilians have been killed in the last few weeks as fighting shifted from Darfur, following the RSF’s violent takeover of the city of Al Fashir, which was marked with civilians being executed, rapes, sexual assaults and other atrocities.
Thousands managed to escape the violence, but thousands more are trapped or feared killed.
Image: Grab from RSF social media channels in Al Fashir, Sudan
Meanwhile, Sudanese military aerial strikes last weekend killed at least 48 people, mostly civilians, in South Kordofan.
The RSF has also accused the military of carrying out a drone strike on the border with Chad, posting a video showing billowing black smoke.
The Associated Press has been unable to verify the video or whether there were any casualties, while Sudan’s military also hasn’t commented.
The RSF and the Sudanese military have been fighting for power over the country since 2023, which has seen more than 40,000 people killed, according to the World Health Organisation, although the real death toll is expected to be higher. 12 million people have been displaced.