Forces battle for ‘every meter’ of Severodonetsk; river crossings could become a major problem for Russia. Follow our live updates

Russia needs to conduct difficult river crossings to achieve success in the Donbas region of eastern Ukraine — and that’s unlikely to be easy, the U.K.’s ministry of defense said in its latest intelligence update on Monday.

Noting that the battle around Severodonetsk “continued to rage” over the weekend, the U.K. said on Twitter that “over the coming months, river crossing operations are likely to be among the most important determining factors in the course of the war.”

The key, 90 kilometer-long central section of Russia’s frontline in the Donbas lies to the west of the Siverskyi Donets river. To achieve success in the current operational phase of its Donbas offensive, “Russia is either going to have to complete ambitious flanking actions, or conduct assault river crossings,” the U.K. said.

Ukrainian forces have a strategy of demolishing bridges before they withdraw, while Russia has struggled to put in place the complex coordination necessary to conduct successful, large scale river crossings under fire, the U.K. noted.

— Holly Ellyatt

Ukraine’s President Volodymyr Zelenskyy has said that fighting is severe in Severodonetsk, a city in the Luhansk province that has become the epicenter of the conflict in eastern Ukraine.

“The occupiers key tactical goal has not changed. They are pressing in Severodonetsk, severe fighting is going on there — literally every meter,” he said, adding that Russian forces are also pressing towards other cities including Lysychansk, Bakhmut and Sloviansk.

In his regular address to the nation, Zelenskyy added that the Russian army was trying to deploy reserve forces into the Donbas, the eastern Ukrainian region that Russia aims to seize and fully occupy. Russia characterizes its invasion as seeking to “liberate” the Donbas and two self-proclaimed pro-Russian “republics” there.

Zelenskyy said Russia would likely “try to throw into the battle poorly trained conscripts and those who were recruited by covert mobilization,” saying such troops were just “cannon fodder” for Russian generals.

Russian troops have been trying to encircle and seize Severodonetsk for some time. Losing the city would be a key blow for Ukraine as it is the last city in the Luhansk province still held by its forces.

The governor of Luhansk said Sunday that Russian forces had blown up bridges linking Severodonetsk with Lysychansk across the river, with the remaining bridge at critical risk of collapsing, cutting off a possible evacuation route for civilians.

— Holly Ellyatt

Russian forces are continuing their efforts to push Ukrainian troops back from contested frontlines northeast of Kharkiv, Ukraine’s second-largest city.

In the latest military update from Ukraine’s armed forces, spokesman for the General Staff of the Armed Forces of Ukraine Oleksandr Shtupun said that Russian units continue to focus their efforts “on conducting positional defense” and preventing Ukrainian troops from advancing towards the border with Russia.

Ukraine’s forces said last month that they had pushed Russian soldiers back from the city of Kharkiv as far as the border, but Russia regrouped and renewed its assaults on the city and surrounding region several weeks ago.

Analysts at the Washington-based think tank, the Institute for the Study of War, issued an update on Sunday in which they also noted that Russian forces were likely continuing “to push Ukrainian forces back from contested frontlines in northeastern Kharkiv Oblast [province], and shelled Ukrainian positions in and around Kharkiv City.”

The direction of Russia’s attack on the Kharkiv area “indicates that Russian forces are continually trying to push Ukrainian forces southwest of the current line of contact to prevent further advances toward the Russian border,” it added.

— Holly Ellyatt