Ukraine s President Volodymyr Zelenskiy said Russia was planning to call up more troops for a major new offensive, even as Moscow was facing some of its biggest internal criticism of the war over a strike that killed scores of fresh conscripts. Kyiv has been saying for weeks that Russian President Vladimir Putin plans to order another mass conscription drive and shut his borders to prevent men from escaping the draft. “We have no doubt that the current masters of Russia will throw everything they have left and everyone they can round up to try to turn the tide of the war and at least delay their defeat,” Zelenskiy said in his nightly video address on Tuesday. “We have to disrupt this Russian scenario. We are preparing for this. The terrorists must lose. Any attempt at their new offensive must fail.” Russia s defence ministry on Wednesday blamed mobile phone use by its soldiers for a Ukrainian strike on New Year s Eve it said had killed 89 servicemen, the deadliest incident Moscow has acknowledged for its troops since the start of the war. If Russia is planning a new mobilisation, the deaths of scores of conscripts on New Year s Eve could undermine morale. Hundreds of thousands of men fled Russia when Putin ordered the first call-up of reservists since World War Two in September after military setbacks. Putin said last month there was no need for further mobilisation. But in a sign the Kremlin may now be considering one, a little known group claiming to represent widows of Russian soldiers released a call on Tuesday for Putin to order a large-scale mobilisation of millions of men. The Kremlin has not commented on that appeal. Russia has effectively shut down all direct opposition to the war, with open criticism banned by severe media rules. But it has given comparatively free rein to pro-war bloggers, some with hundreds of thousands of followers on social media. Many are increasingly vocal about what they consider a half-hearted and incompetently led campaign, and have expressed anger this week over the strike that killed Russian troops housed in a vocational school in Donetsk province on New Year s Eve. Criticism has been directed at military commanders rather than at Putin, who has not commented publicly on the attack. The Russian Defence Ministry, which raised the official death toll in the attack to 89 from 63, blamed soldiers for using mobile phones, which it said was illegal and allowed Ukraine to locate the base. Semyon Pegov, a war correspondent decorated by Putin, said on Telegram the mobile phone explanation “looks like an outright attempt to smear the blame”, and there were other ways Ukraine could have spotted the base. Other pro-Russian bloggers have said the strike was worsened because ammunition was stored at the site. Moscow has not confirmed this. Pegov said the death toll would rise further: “The announced data is most likely for those who were immediately identified. The list of the missing, unfortunately, is noticeably longer.” Rob Lee, a senior fellow at the Foreign Policy Research Institute think-tank, said Moscow had a problem safely housing freshly mobilised troops near the front in winter. “It is more difficult to disperse them because of a lack of small unit leadership, and they will do worse in the cold than trained soldiers,” he tweeted. But housing them near ammunition “is simply a leadership failure”, he added. Ukraine initially said hundreds of Russians were killed in Makiivka, and it also killed large numbers of Russian troops in a similar attack at a separate base in southern Kherson province the same night, which Moscow has not confirmed. STRIKES In its daily update on Wednesday, Ukraine s military General Staff said Russia had launched seven missile strikes, 18 air strikes and more than 85 attacks from multiple-launch rocket systems in the past 24 hours on civilian infrastructure in three cities, Kramatorsk, Zaporizhzhia and Kherson. “There are casualties among the civilian population,” it said. Russia denies targeting civilians. Ukraine s General Staff also said Russian forces continued to concentrate on advancing in the area of Bakhmut, main focus of Russian attacks for months, where both sides are believed to have lost thousands of troops in intense trench warfare. Mikhail Razvozhayev, the Russian-installed governor of Sevastopol in Crimea, said on Wednesday on the Telegram messaging app that air defence systems had shot down two drones near the Belbek military airfield. Zelenskiy said he would continue rallying Western support for Ukraine s war effort after holding calls on Tuesday with the leaders of Britain, the Netherlands, Norway and Canada. German Foreign Minister Annalena Baerbock said on Wednesday Putin “has nothing on his mind but just destroying Ukraine”, adding it was important to keep up deliveries of arms to Kyiv. Putin plans to talk to Turkish President Tayyip Erdogan on Wednesday, Kremlin spokesman Dmitry Peskov told Interfax. Turkey acted as mediator alongside the United Nations to establish a deal allowing grain exports from Ukrainian ports. The chances of serious peace talks appear remote, with Moscow demanding Kyiv accept its annexation of seized land and Ukraine vowing to drive Russian troops from all its territory. Putin launched what he calls a “special military operation” in Ukraine on Feb. 24, citing threats to Russian security and a need to protect Russian speakers. Ukraine and its allies accuse Moscow of an unprovoked.