Ukrainian troops said they had retaken the key bastion of Lyman in occupied eastern Ukraine, a stinging defeat that prompted a close ally of Russian President Vladimir Putin to call for the possible use of low-grade nuclear weapons.
The capture on Saturday came just a day after Putin proclaimed the annexation of nearly a fifth of Ukraine โ including Donetsk, where Lyman is located โ and placed the regions under Russiaโs nuclear umbrella. Kyiv and the West condemned the ornate ceremony as an illegitimate farce.
Ukrainian soldiers announced the capture in a video recorded outside the town council building in the centre of Lyman and posted on social media.
โDear Ukrainians โ today the armed forces of Ukraine โฆ liberated and took control of the settlement of Lyman, Donetsk region,โ one of the soldiers says. At the end of the video, a group of soldiers cheer and throw Russian flags down from the buildingโs roof and raise a Ukrainian flag in their place.
Hours earlier, Russiaโs defence ministry had announced it was pulling troops out of the area โin connection with the creation of a threat of encirclementโ.
Lyman had fallen in May to Russian forces, which had used it as a logistics and transport hub for its operations in the north of the Donetsk region. Its capture is Ukraineโs biggest battlefield gain since the lightning counteroffensive in the northeastern Kharkiv region last month.
President Volodymyr Zelenskiy promised more quick successes in the Donbas, which covers the Donetsk and Luhansk regions that are largely under Russian control.
โOver the past week, the number of Ukrainian flags in Donbas has increased. There will be even more a weekโs time,โ he said in an evening video address.
Ukraineโs armed forces said in a statement on Sunday morning that its jets had carried out 29 strikes in the last 24 hours, destroying weapons and anti-aircraft missile systems, while ground troops had hit command posts, warehouses containing ammunition and anti-aircraft missile complexes.
Russian forces launched four missiles and 16 air strikes and used Iranian-made โShahed-136โ drones to attack infrastructure, Ukraineโs statement said, adding more than 30 settlements were damaged, chiefly in the south and southeast.
Reuters could not verify either sideโs battlefield assertions
U.S. Defense Secretary Lloyd Austin cheered Lymanโs capture, saying it would create new problems for Russiaโs military. โWeโre very encouraged by what weโre seeing right now,โ Austin told a news conference on Saturday.
Austin noted that Lyman was positioned across supply lines that Russia has used to push its troops and materiel down to the south and to the west, as the Kremlin presses its more than seven-month-long invasion of Ukraine.
โWithout those routes, it will be more difficult. So it presents a sort of a dilemma for the Russians going forward.โ
Austin did not say whether he thought Ukraineโs capture of Lyman might prompt Russian escalation, although U.S. officials have widely denounced Russiaโs nuclear rhetoric in recent days and President Joe Biden has publicly urged Putin not to use nuclear weapons.
Ukraineโs successes have infuriated Putin allies such as Ramzan Kadyrov, the leader of Russiaโs southern Chechnya region.
โIn my personal opinion, more drastic measures should be taken, right up to the declaration of martial law in the border areas and the use of low-yield nuclear weapons,โ Kadyrov wrote on Telegram before Zelenskiy spoke.
Other top officials, including former President Dmitry Medvedev, have suggested Russia may need to resort to nuclear weapons, but Kadyrovโs call was the most urgent and explicit.
Putin said last week that he was not bluffing when he said he was prepared to defend Russiaโs โterritorial integrityโ with all available means, and on Friday made clear this extended to the new regions claimed by Moscow.
Washington says it would respond decisively to any use of nuclear weapons.
Analysts at the Institute for the Study of War (ISW), a Washington-based think tank, said the Russian military in its current state is almost certainly unable to operate on a nuclear battlefield even though it has historically trained its units to do so.
โThe chaotic agglomeration of exhausted contract soldiers, hastily mobilized reservists, conscripts, and mercenaries that currently comprise the Russian ground forces could not function in a nuclear environment. Any areas affected by Russian tactical nuclear weapons would thus be impassable for the Russians, likely precluding Russian advances,โ ISW said.
LOGISTICS HUB
Serhii Cherevatyi, spokesperson for Ukraineโs eastern forces, said before the capture that Russia had 5,000 to 5,500 troops at Lyman but the number encircled could be lower.
Ukraine says taking Lyman will allow it to advance into the Luhansk region, whose full capture Moscow announced in early July after weeks of grinding advances.
โLyman is important because it is the next step towards the liberation of the Ukrainian Donbas,โ Cherevatyi said. โIt is an opportunity to go further to Kreminna and Sievierodonetsk, and it is psychologically very important.โ
The Donbas has been a major focus for Russia since soon it launched the invasion on Feb. 24 that Putin calls a โspecial military operationโ to demilitarise and โdenazifyโ its smaller neighbour.
The areas Putin claimed as Russian โ the Donbas regions of Donetsk and Luhansk and the southern regions of Kherson and Zaporizhzhia โ form a swath of territory equal to about 18% of Ukraineโs total surface land area.
Germany said it will deliver the first of four advanced IRIS-T air defence systems to Ukraine in coming days to help ward off drone attacks.