Throughout the evening, Russian aerial assaults have caused blackouts in multiple districts of the capital city, Kyiv.
Nine people were injured while inhabitants in the city's east were plunged into darkness and faced interruptions to drinking water, per reports from local authorities.
At the same time, a minor was lost their life in a different aerial attack in the Zaporizhzhia region in the southern area, as reported by regional authorities.
Russian forces has intensified attacks on power infrastructure over the past few days, while Ukrainian leadership has demanded "substantial measures" from international partners to exert influence on Russia.
"What's needed is not superficial actions but firm measures - from the United States, European nations and the major economies - in delivering protection systems and applying sanctions," he wrote in a social media post.
He said that hundreds of unmanned aircraft and more than 30 rockets targeted Ukraine's energy infrastructure, describing such strikes as "cynical and calculated" and against "critical infrastructure" as winter approaches.
Government representatives said Moscow was "inflicting a massive strike" and repair crews were laboring to restore power.
A series of attacks hit power facilities and residential structures in Kyiv.
Five out of the nine people injured in the assaults on the capital have been taken to hospital, per statements from city authorities.
Area administrators said the urban area experienced significant strikes overnight. A young boy died and multiple civilians were injured.
The strikes follow periods of air raids in the territory, parts of which are occupied by Moscow's military.
The entire country is on alert for hypersonic Kinzhal missile strikes, which are harder to spot.
Authorities told the media that Russia was intentionally trying to demolish the national power system, with strikes already disrupting gas facilities.
He said energy workers and government agencies were anticipating further attacks.