During the night, Russian missile and drone strikes have led to power cuts in extensive areas of Ukraine's capital, the Ukrainian capital.
A number of civilians were wounded while local people in eastern districts were plunged into darkness and dealt with disruption to water systems, per reports from municipal leaders.
Meanwhile, a young boy was fatally injured in a distinct Russian drone strike in the Zaporizhzhia area in the country's south-east, as reported by area administrators.
Russian forces has intensified attacks on electrical systems over recent weeks, while officials has called for "real steps" from allies to increase pressure on Moscow.
"What is required is not window dressing but strong steps - from the US, Europe and the Group of Seven - in providing protection systems and enforcing sanctions," was stated in a public message.
Officials stated that 450 drones and more than 30 projectiles attacked energy facilities, describing such attacks as "premeditated" and against "critical infrastructure" as temperatures become colder.
Energy officials said Moscow was "launching a major assault" and maintenance teams were working to fix the damage.
A series of attacks damaged electrical systems and apartment buildings in the capital.
Five out of the nine people injured in the strikes on the city have been hospitalized, according to municipal representatives.
Local officials said the urban area experienced intense attacks overnight. A young boy lost their life and three other people were wounded.
The attacks follow evenings of air raids in the region, sections of which are currently controlled by Moscow's military.
All of Ukraine is under warning for advanced weapon attacks, which are harder to detect.
National leaders told the media that Russia was purposely seeking to demolish the national power system, with strikes already affecting gas facilities.
Authorities confirmed energy workers and officials were bracing for more assaults.
