During the night, Moscow's aerial assaults have caused power cuts in extensive areas of Ukraine's capital, Kyiv.
Nine people were hurt while residents in the city's east were plunged into darkness and dealt with interruptions to water systems, per reports from local authorities.
At the same time, a young boy was fatally injured in a distinct assault in the Zaporizhzhia region in the country's south-east, according to area administrators.
Russian forces has increased assaults on power infrastructure over recent weeks, while Ukrainian leadership has called for "real steps" from international partners to apply pressure on Russia.
"What's needed is not symbolic gestures but decisive action - from the America, the EU and the G7 - in supplying defensive weapons and implementing penalties," he wrote in a public message.
Authorities reported that hundreds of unmanned aircraft and over thirty rockets attacked energy facilities, describing such assaults as "strategic and deliberate" and against "critical infrastructure" as temperatures become colder.
Government representatives said Moscow was "launching a major assault" and repair crews were laboring to repair systems.
A barrage of missiles hit power facilities and residential structures in the capital.
Five out of the nine people injured in the assaults on the city have been taken to hospital, per statements from city authorities.
Area administrators said the metropolitan region experienced significant strikes throughout the evening. A young boy died and three other people were wounded.
The attacks come after periods of air raids in the region, parts of which remain under the control of Moscow's military.
The entire country is under warning for sophisticated projectile assaults, which are more difficult to identify.
National leaders told the media that Russia was purposely seeking to destroy the electrical infrastructure, with attacks already affecting energy systems.
Authorities confirmed utility staff and officials were bracing for additional strikes.
