Oleh Hryhorov

Oleh Hryhorov is not mentioned in the provided news articles. The articles focus on the ongoing Russia-Ukraine war, detailing Russian strikes on Kyiv and other Ukrainian regions, and highlighting key events of the conflict. Without any mention of Oleh Hryhorov in the provided context, it's impossible to determine who he is, why he might be newsworthy, or his current relevance to the events described. The articles primarily cover the military actions, the impact on civilian areas, and the overall state of the conflict.