Throughout the evening, Russian missile and drone strikes have resulted in power cuts in multiple districts of Ukraine's capital, Kyiv.
Nine people were wounded while inhabitants in the city's east were left without electricity and dealt with interruptions to drinking water, as stated by municipal leaders.
Meanwhile, a seven-year-old child was fatally injured in a separate aerial attack in the Zaporizhzhia area in the country's south-east, based on information from area administrators.
Russian forces has escalated attacks on electrical systems over the past few days, while the country's government has requested "substantial measures" from international partners to exert influence on Russia.
"What's needed is not window dressing but firm measures - from the America, European nations and the G7 - in providing protection systems and enforcing restrictions," he wrote in a online statement.
Authorities reported that hundreds of unmanned aircraft and more than 30 missiles attacked Ukraine's energy infrastructure, describing such attacks as "premeditated" and against "everything that sustains normal life" as the weather cools.
Energy officials said Russia was "conducting extensive attacks" and technical staff were striving to fix the damage.
A wave of strikes struck electrical systems and apartment buildings in the capital.
Several of the people wounded in the assaults on the capital have been hospitalized, as confirmed by municipal representatives.
Area administrators said the metropolitan region came under heavy assaults overnight. A young boy died and three other people were injured.
The strikes come after evenings of bombing campaigns in the territory, sections of which are currently controlled by Russian forces.
The entire country is under warning for advanced weapon attacks, which are more difficult to spot.
National leaders told reporters that Moscow was intentionally trying to damage the country's energy grid, with assaults already affecting energy systems.
Authorities confirmed utility staff and government agencies were anticipating more assaults.