Zelenskyy rejects ceasefire proposal on May 5, 2026. Kremlin warns of missile strike on Kyiv if Ukraine disrupts Victory Day. Recent strikes killed nine, including rescue workers in Poltava. Sybiga condemns truce, stating peace can't wait for celebrations. Zelenskyy calls Russian request 'utter cynicism'. Russia downed 300+ drones between late May 4 and early May 5