During the night, Russian missile and drone strikes have led to power cuts in large parts of the capital city, Kyiv.
A number of civilians were hurt while residents in the city's east were plunged into darkness and encountered disruption to drinking water, according to municipal leaders.
At the same time, a young boy was killed in a different Russian drone strike in the Zaporizhzhia area in the southeastern part, based on information from area administrators.
Moscow has intensified attacks on electrical systems over the past few days, while officials has demanded "concrete actions" from allies to apply pressure on Moscow.
"The necessity is not window dressing but firm measures - from the US, Europe and the G7 - in delivering defensive weapons and applying sanctions," was stated in a social media post.
Authorities reported that hundreds of unmanned aircraft and more than 30 projectiles struck the country's power systems, characterizing such assaults as "cynical and calculated" and against "critical infrastructure" as temperatures become colder.
Energy officials said Moscow was "conducting extensive attacks" and maintenance teams were striving to fix the damage.
A series of attacks struck power facilities and civilian homes in the capital.
Five out of the nine people wounded in the strikes on the capital have been hospitalized, as confirmed by city authorities.
Local officials said the urban area came under significant strikes throughout the evening. A minor lost their life and three other people were wounded.
The attacks come after nights of aerial attacks in the region, parts of which are currently controlled by Moscow's military.
The whole nation is in a state of readiness for hypersonic Kinzhal missile strikes, which are tougher to spot.
National leaders told reporters that Russia was intentionally trying to demolish the national power system, with attacks already affecting fuel infrastructure.
Authorities confirmed energy workers and government agencies were preparing for further attacks.
