A fresh Russian military buildup in eastern Ukraine signals the imminent launch of a widely anticipated offensive in the Donbas region, Western intelligence assessments indicate. The United Kingdom has warned that the assault will trigger a humanitarian crisis of severe proportions, with tens of thousands of civilians trapped in the crossfire.
British Foreign Secretary Liz Truss told parliament on Tuesday that satellite imagery and signals intelligence confirm a “significant concentration” of Russian combat units, artillery, and logistics infrastructure along a front line stretching from Izyum to Mariupol. The buildup includes reinforced battalion tactical groups from the Russian 1st Guards Tank Army and 2nd Guards Motor Rifle Division, units previously redeployed from the failed northern offensive towards Kyiv.
“We assess that Russia is preparing for a concerted ground offensive in the Donbas within days,” Truss said. “The humanitarian consequences will be dire. We are already seeing the deliberate targeting of civilian infrastructure as part of their strategy.”
The Donbas region, comprising the Russian-controlled separatist enclaves of Donetsk and Luhansk, has been the focus of Moscow’s revised war aims after its forces were repelled from the outskirts of the capital. Ukrainian officials estimate that up to 100,000 Russian troops are now positioned for an assault designed to encircle Ukrainian positions and secure a land corridor to Crimea.
Local authorities in the Donetsk and Luhansk oblasts have reported intensified shelling in recent days, with residential areas and evacuation routes coming under fire. The United Nations says at least 4 million people in the region require immediate humanitarian assistance, with water, food, and medical supplies running critically low.
Moscow has denied targeting civilians, blaming Ukraine for the escalating violence. Russian Defence Minister Sergei Shoigu stated that the offensive would focus on “liberating” the Donbas and that civilian casualties would be minimised. However, Western governments and human rights groups have accused Russian forces of war crimes, citing evidence of indiscriminate shelling and summary executions.
Britain has pledged an additional £100 million in humanitarian aid and has called for immediate safe corridors to allow civilians to flee. The Foreign Office is coordinating with the International Committee of the Red Cross and the UN Office for the Coordination of Humanitarian Affairs to preposition supplies in Dnipro and Zaporizhzhia.
“We are facing a catastrophe that will dwarf what we have seen so far,” said Martin Griffiths, UN Under-Secretary-General for Humanitarian Affairs. “The Donbas is densely populated, and an offensive of this scale will cause massive displacement and loss of life if international humanitarian law is not respected.”
The European Union, meanwhile, is drafting a sixth round of sanctions against Russia, targeting oil imports and additional banks. The United States has announced the deployment of additional Patriot missile batteries to Eastern Europe, though President Joe Biden has ruled out direct military intervention.
As the diplomatic clock ticks, the war in Ukraine enters a new and potentially decisive phase. The Donbas offensive, if successful, would consolidate Russian control over a key industrial and political prize. For Ukraine, the stakes are existential: a defeat could fracture the country and cement a permanent Russian presence in its sovereign territory.
Reporting from London, Sienna West. © 2023 The Times.