Voronezh Damaged by Ukrainian Drone Attack
Russia deployed nuclear-capable Oreshnik missile.
Rustem Umerov contacted U.S. partners during talks.
Voronezh sustained damage in residential areas and a school.
Russian air defenses shot down 17 drones.
Russian bombardment killed 4 in Kyiv.
Ukraine's General Staff reported 154 drones, 125 shot down.