During the night, Russian missile and drone strikes have led to power cuts in large parts of the capital city, the Ukrainian capital.
Nine people were wounded while inhabitants in the city's east were plunged into darkness and encountered disruption to drinking water, according to local authorities.
Meanwhile, a young boy was fatally injured in a separate aerial attack in the southeastern region in the country's south-east, according to regional authorities.
Moscow has intensified assaults on power infrastructure over recent weeks, while officials has called for "real steps" from international partners to increase pressure on Moscow.
"What is required is not symbolic gestures but decisive action - from the US, Europe and the G7 - in delivering protection systems and applying penalties," was stated in a public message.
He said that 450 drones and more than 30 missiles attacked Ukraine's energy infrastructure, labeling such assaults as "cynical and calculated" and against "everything that sustains normal life" as winter approaches.
Energy officials said Moscow was "launching a major assault" and maintenance teams were laboring to fix the damage.
A barrage of missiles hit energy infrastructure and apartment buildings in Kyiv.
Several of the people hurt in the assaults on the city have been hospitalized, as confirmed by municipal representatives.
Local officials said the metropolitan region experienced heavy assaults throughout the evening. A seven-year-old child lost their life and three other people were wounded.
The attacks come after periods of aerial attacks in the region, portions of which remain under the control of invading troops.
The entire country is in a state of readiness for advanced weapon attacks, which are more difficult to identify.
Authorities told journalists that Russia was deliberately attempting to damage the national power system, with assaults already disrupting gas facilities.
Authorities confirmed utility staff and government agencies were preparing for further attacks.