According to various military experts monitoring the conflict from May to June 2026, Ukrainian drone units now represent around 90 percent of all recorded Russian casualties on the battlefield. The 'Middle Strike' drone tactic utilized by Ukraine employs long-range unmanned aerial vehicles that can penetrate up to 300 kilometers into areas controlled by Russia,

Vladimir Putin has responded publicly for the first time to Volodymyr Zelenskyy's open letter proposing a face-to-face meeting.

"The Russian armed forces are advancing along the whole line of contact. There is no place where we would not be advancing."