Throughout the evening, Russian missile and drone strikes have caused blackouts in extensive areas of the capital city, Kyiv.
A number of civilians were wounded while local people in the city's east were left without electricity and encountered interruptions to drinking water, according to local authorities.
At the same time, a young boy was killed in a separate assault in the southeastern region in the country's south-east, as reported by regional authorities.
Russian forces has escalated strikes on power infrastructure over the last fortnight, while officials has demanded "substantial measures" from partner nations to exert influence on Russia.
"What's needed is not window dressing but firm measures - from the United States, Europe and the major economies - in delivering defensive weapons and enforcing restrictions," mentioned in a public message.
Authorities reported that hundreds of unmanned aircraft and over thirty rockets struck energy facilities, characterizing such assaults as "cynical and calculated" and against "critical infrastructure" as temperatures become colder.
Energy officials said Russia was "inflicting a massive strike" and technical staff were laboring to fix the damage.
A barrage of missiles damaged electrical systems and residential structures in Kyiv.
Five out of the nine people wounded in the attacks on the city have been transported for medical care, according to local officials.
Area administrators said the urban area endured heavy assaults throughout the evening. A minor lost their life and three other people were hurt.
The strikes come after nights of bombing campaigns in the region, sections of which are occupied by Russian forces.
The whole nation is under warning for advanced weapon attacks, which are more difficult to spot.
National leaders told journalists that Russia was purposely seeking to demolish the national power system, with attacks already affecting energy systems.
He said utility staff and authorities were preparing for additional strikes.
