During the night, Russian missile and drone strikes have led to electricity outages in extensive areas of Ukraine's capital, Kyiv.
Several individuals were wounded while inhabitants in eastern districts were plunged into darkness and encountered interruptions to water systems, as stated by local authorities.
Meanwhile, a young boy was killed in a separate assault in the Zaporizhzhia area in the southeastern part, based on information from local officials.
Moscow has intensified attacks on power infrastructure over the last fortnight, while Ukrainian leadership has called for "concrete actions" from partner nations to apply pressure on Russia.
"What's needed is not superficial actions but decisive action - from the America, Europe and the Group of Seven - in providing protection systems and enforcing restrictions," was stated in a public message.
Officials stated that numerous aerial vehicles and more than 30 missiles attacked the country's power systems, describing such strikes as "strategic and deliberate" and against "essential services" as the weather cools.
The energy minister said Russia was "launching a major assault" and technical staff were working to restore power.
A series of attacks damaged power facilities and residential structures in Kyiv.
Multiple people hurt in the assaults on the capital have been taken to hospital, according to city authorities.
Area administrators said the metropolitan region experienced significant strikes during nighttime hours. A seven-year-old child was killed and three other people were wounded.
The assaults come after periods of aerial attacks in the territory, sections of which are currently controlled by Russian forces.
The entire country is on alert for sophisticated projectile assaults, which are more difficult to identify.
Authorities told reporters that Moscow was purposely seeking to damage the electrical infrastructure, with assaults already impacting fuel infrastructure.
He said technical personnel and officials were anticipating more assaults.
