Throughout the evening, Russian missile and drone strikes have resulted in electricity outages in large parts of Ukraine's capital, Kyiv.
Nine people were hurt while residents in eastern districts were plunged into darkness and faced problems to water supplies, according to local authorities.
Meanwhile, a seven-year-old child was lost their life in a separate assault in the Zaporizhzhia region in the country's south-east, as reported by regional authorities.
Russian forces has intensified attacks on power infrastructure over the last fortnight, while the country's government has demanded "real steps" from partner nations to exert influence on Russia.
"What is required is not superficial actions but strong steps - from the US, the EU and the major economies - in supplying defensive weapons and enforcing penalties," mentioned in a public message.
Authorities reported that 450 drones and several dozen rockets attacked the country's power systems, describing such assaults as "cynical and calculated" and against "critical infrastructure" as the weather cools.
Government representatives said Russia was "launching a major assault" and repair crews were working to repair systems.
A series of attacks damaged electrical systems and civilian homes in the capital.
Multiple people wounded in the attacks on the capital have been taken to hospital, per statements from municipal representatives.
Area administrators said the urban area endured intense attacks overnight. A seven-year-old child lost their life and multiple civilians were wounded.
The strikes succeed evenings of aerial attacks in the area, parts of which remain under the control of invading troops.
All of Ukraine is on alert for advanced weapon attacks, which are more difficult to spot.
National leaders told the media that Russia was purposely seeking to damage the country's energy grid, with assaults already disrupting fuel infrastructure.
He said utility staff and officials were preparing for more assaults.
