Russian forces are intensifying their advance towards a chain of heavily fortified cities in eastern Ukraine, putting renewed pressure on Kyiv’s defensive lines as fighting in the Donetsk region enters a critical phase.
The Russian push is centred on key Ukrainian strongholds including Kostiantynivka, Kramatorsk and Sloviansk, which form part of what has been described as Ukraine’s eastern “fortress belt”.
The cities are strategically important because they anchor Ukraine’s defensive network in Donetsk and could become decisive to Russia’s wider campaign to seize the remaining Ukrainian-held territory in the region.
Recent battlefield assessments indicate that Russian forces have continued to make gradual advances, although their progress remains slow and costly. The Institute for the Study of War said Russia’s summer offensive had failed to produce a rapid breakthrough, with Moscow making only limited territorial gains despite sustained pressure. (Institute for the Study of War)
Reuters reports that Russian troops are now advancing towards Sloviansk and Kramatorsk, in what could become one of the most significant battles of the war. Ukraine has deployed newly appointed commanders to the region as Kyiv prepares for potentially intensified fighting in September and October. (Reuters)
Ukrainian forces are also attempting to hold their positions and mount counter-attacks in parts of the eastern front. The battlefield remains fluid, with both sides relying heavily on drones, artillery and long-range strikes.
The pressure comes as Ukraine faces continuing challenges over manpower and military resources, while Russia maintains a significant advantage in the size of its forces and industrial capacity.
However, Moscow’s advance is far from decisive. Military analysts say Russian troops have yet to achieve the kind of operational breakthrough that could rapidly collapse Ukraine’s defensive lines. (Institute for the Study of War)
The fighting is unfolding alongside renewed diplomatic efforts to end the war. US envoys have held talks with both Russian and Ukrainian officials, but no major breakthrough has been announced, with territorial control in Donetsk remaining one of the central obstacles to a settlement. (Reuters)
For Kyiv, holding the fortress belt could be crucial to preventing Russia from consolidating its control over Donetsk. For Moscow, breaking through the defensive line would represent a major battlefield victory and potentially strengthen its position in any future negotiations.
With fighting expected to intensify in the coming weeks, the battle for eastern Ukraine could prove critical to the next phase of the war.
