Overnight, Moscow's missile and drone strikes have led to electricity outages in multiple districts of the capital city, Kyiv.
Several individuals were hurt while local people in the city's east were experienced blackouts and dealt with interruptions to water systems, as stated by local authorities.
Meanwhile, a young boy was fatally injured in a distinct Russian drone strike in the Zaporizhzhia area in the country's south-east, according to area administrators.
Russian forces has escalated assaults on power infrastructure over the last fortnight, while the country's government has requested "real steps" from allies to increase pressure on Russia.
"The necessity is not superficial actions but firm measures - from the US, European nations and the G7 - in supplying protection systems and implementing restrictions," was stated in a online statement.
Officials stated that hundreds of unmanned aircraft and several dozen rockets struck Ukraine's energy infrastructure, describing such attacks as "strategic and deliberate" and against "critical infrastructure" as temperatures become colder.
The energy minister said Moscow was "launching a major assault" and technical staff were working to repair systems.
A series of attacks hit energy infrastructure and apartment buildings in Kyiv.
Multiple people wounded in the strikes on the capital have been taken to hospital, per statements from municipal representatives.
Local officials said the urban area experienced heavy assaults during nighttime hours. A young boy died and three other people were wounded.
The strikes follow periods of bombing campaigns in the area, sections of which remain under the control of invading troops.
The entire country is in a state of readiness for hypersonic Kinzhal missile strikes, which are tougher to detect.
Authorities told the media that Moscow was intentionally trying to demolish the national power system, with attacks already affecting gas facilities.
Officials stated utility staff and authorities were anticipating additional strikes.