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Inside Ukraine’s secret counteroffensive in Donbas
In May 2026, Ukraine’s 3rd Army Corps launched a secret counteroffensive now known as Operation Vivaldi, aiming to strengthen Ukraine’s defensive positions in the Lyman and Sviatohirsk sectors and disrupt Russia’s plans to encircle Ukraine’s key strongholds – the cities of Sloviansk and Kramatorsk. In this report, the Kyiv Independent’s Asami Terajima and Nick Allard join Ukrainian units involved in the operation to
