Ukraine war situation update | 17 – 23 October 2026

Country: Ukraine Source: Armed Conflict Location & Event Data Please refer to the attached file. Russia and Ukraine conduct a prisoner exchange, and Ukraine launches an underground attack to counter Russian advances. Tetiana Gaviuk Key trends Humanitarian talks led Russia and Ukraine to conduct their first prisoner exchange in two months and agree to a ceasefire in the front line city of Oleshky in the Kherson region, enabling essential supplies to reach civilians who have endured months of sieg