Ukraine launches secret counteroffensive in Donetsk, retakes territory

Ukraine has disclosed a covert counteroffensive, 'Operation Vivaldi,' in northern Donetsk, claiming to have cleared Russian infiltrators and retaken territory. The full scope remains undisclosed, and the claim is unverified. This marks a notable shift in the conflict's dynamics, potentially signaling a new phase of Ukrainian initiative after prolonged Russian attempts to seize the region.