KYIV, Ukraine — The Ukrainian military’s long-anticipated counteroffensive against occupying Russian forces has begun, opening a phase in the war aimed at restoring Ukraine’s territorial sovereignty and retaining Western support in the war. Ukraine’s troops intensified their attacks on the front line in the country’s southeast, according to four individuals in the country’s armed forces, who spoke on the condition of anonymity because they were not authorized to publicly discuss the battlefield developments.

Slava Ukraini!