Overnight, Moscow's missile and drone strikes have led to blackouts in multiple districts of the capital city, Kyiv.
A number of civilians were injured while local people in the city's east were plunged into darkness and dealt with problems to water supplies, according to city officials.
Meanwhile, a minor was lost their life in a separate aerial attack in the southeastern region in the southeastern part, as reported by area administrators.
Moscow has escalated assaults on power infrastructure over recent weeks, while the country's government has demanded "substantial measures" from allies to apply pressure on Russia.
"The necessity is not symbolic gestures but decisive action - from the America, the EU and the G7 - in providing protection systems and applying restrictions," mentioned in a online statement.
He said that 450 drones and over thirty missiles attacked Ukraine's energy infrastructure, labeling such assaults as "cynical and calculated" and against "essential services" as temperatures become colder.
Government representatives said Russia was "launching a major assault" and technical staff were laboring to restore power.
A barrage of missiles hit electrical systems and apartment buildings in Kyiv.
Multiple people wounded in the strikes on the city have been taken to hospital, according to city authorities.
Area administrators said the city came under heavy assaults overnight. A young boy was killed and several individuals were hurt.
The strikes follow periods of bombing campaigns in the region, portions of which are occupied by Moscow's military.
The whole nation is on alert for hypersonic Kinzhal missile strikes, which are more difficult to spot.
Authorities told the media that Moscow was intentionally trying to destroy the electrical infrastructure, with assaults already disrupting fuel infrastructure.
Authorities confirmed utility staff and authorities were preparing for additional strikes.