KYIV, Ukraine (AP) 鈥 Russian forces have made progress in their campaign to capture the city of Bakhmut in eastern Ukraine, the focus of the war's longest ground battle, but their assault will be difficult to sustain without more significant personnel losses, British military officials said Saturday.

The U.K. Defense Ministry said in its latest assessment that paramilitary units from the Kremlin-controlled Wagner Group have , with a river flowing through the city now marking the front line of the fighting.

The mining city is located in Donetsk province, one of four regions of Ukraine that Russian President Vladimir Putin illegally annexed last year. Russia's military opened the campaign to take control of Bakhmut in August, and .

Ukrainian troops and supply lines remain vulnerable to 鈥渃ontinued Russian attempts to outflank the defenders from the north and south鈥 as the Wagner Group's forces try to close in on them in a pincer movement, the U.K. ministry said.

However, the ministry added, it will be 鈥渉ighly challenging鈥 for Wagner's soldiers to push ahead because Ukraine has destroyed key bridges over the river, while Ukrainian sniper fire from fortified buildings further west has made the thin strip of open ground in the city's center 鈥渁 killing zone.鈥

Russian military bloggers and other pro-Kremlin Telegram accounts claimed Friday that Russian forces had entered a metal processing plant in northwestern Bakhmut. The Institute for the Study of War, a Washington-based think tank, also referenced geolocated footage showing Russian forces within 800 meters of the AZOM plant, a heavily built-up and fortified complex.

The institute reported in its Friday night assessment that Moscow鈥檚 apparent focus on capturing the plant, rather than opting for a 鈥渨ider encirclement of western Bakhmut鈥 by attempting to take nearby villages, was likely to bring a further wave of Russian casualties.

Ukraine鈥檚 ground forces on Saturday signaled their intention to hold out in Bakhmut, announcing on Facebook that their top officer, Col. Oleksandr Syrskyi, was personally overseeing 鈥渢he most important sectors of the front鈥 to deny Moscow a long-awaited battlefield victory.

鈥淥ur military is standing. This is our fortress. And what they are doing now, we cannot even imagine how useful it will be for the country, for our army in the near future," 香港六合彩挂牌资料 Security and Defense Council Secretary Oleksii Danilov said on Ukrainian state TV.

Quoting Syrskyi, he said the alleys and territory around Bakhmut were "littered with the corpses of Russians and 鈥榃agnerians.鈥欌

Elsewhere in Ukraine, following a massive Russian missile and drone strike two days earlier that killed six people and left hundreds of thousands without heat or electricity.

Ukraine鈥檚 state grid operator said power supply issues persisted across four provinces following the barrage, in which and a smaller number of exploding drones hit residential buildings and critical infrastructure across the country.

In a Facebook post, Ukrenergo said scheduled blackouts remain in place in Kharkiv and Zhytomyr, as well as parts of the Dnipropetrovsk and Mykolaiv regions. The company added that the situation in Zhytomyr was especially challenging, with some customers still without power.

The General Staff of the Ukrainian armed forces reported that Russia launched 34 attacks from multiple rocket launchers Saturday on various parts of the country. They included southern Ukraine's Kherson province, where three people 鈥渨ho simply went to a store to buy groceries鈥 were killed, Ukrainian President Volodymyr Zelenskyy said.

Russian shelling between Friday morning and Saturday morning also killed at least five people and wounded another 19 across Kherson and Donetsk provinces, Ukrainian authorities reported.

Donetsk, where Bakhmut is located, has been the epicenter of the fighting in recent months, while Ukrainian-held parts of Kherson have seen daily shelling from Russian troops stationed across the Dnieper River.

On Saturday, Russian forces also launched 12 air strikes and two missile strikes on the city of Zaporizhzhia, the capital of the southeastern Ukrainian province of the same name, according to Ukraine's military. A strike by an S-300 missile hit a civilian infrastructure facility, but no casualties were reported.

Norwegian Defense Minister Ukrainian defense chief Oleksiy Reznikov welcomed his Norwegian counterpart to Kyiv on Saturday. Defense Minister Bj酶rn Arild Gram announced Norway's decision to earmark $7.5 billion over the next five years for weapons and other aid for Ukraine.

According to a readout of the meeting published by Ukraine鈥檚 Defense Ministry, Gram said the arms Norway planned to send included missile launchers and ammunition for NASAMS anti-aircraft systems.

Reznikov said that Ukrainian troops successfully operated some of the same weapons to shoot down the drones and missiles that Russia rained on Ukraine on Thursday.

鈥淲e know for sure that every 10 uses of the NASAMS system (...) mean downing 10 of the aggressor鈥檚 missiles, saving 10 buildings and infrastructure facilities, as well as hundreds of human lives,鈥 he said. ___

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