During the night, Russian missile and drone strikes have led to power cuts in multiple districts of the capital city, Kyiv.
A number of civilians were hurt while residents in eastern neighborhoods were experienced blackouts and faced problems to water systems, as stated by local authorities.
Simultaneously, a minor was killed in a distinct aerial attack in the Zaporizhzhia area in the country's south-east, according to regional authorities.
Moscow has escalated strikes on electrical systems over the past few days, while the country's government has demanded "concrete actions" from international partners to exert influence on Russia.
"The necessity is not symbolic gestures but firm measures - from the US, the EU and the major economies - in providing air defence systems and applying restrictions," mentioned in a public message.
He said that 450 drones and several dozen rockets struck Ukraine's energy infrastructure, labeling such attacks as "cynical and calculated" and against "everything that sustains normal life" as temperatures become colder.
Government representatives said Russia was "inflicting a massive strike" and technical staff were working to repair systems.
A barrage of missiles damaged electrical systems and apartment buildings in Kyiv.
Multiple people wounded in the attacks on the capital have been taken to hospital, per statements from local officials.
Area administrators said the city endured heavy assaults overnight. A young boy was killed and multiple civilians were hurt.
The assaults come after periods of bombing campaigns in the area, sections of which are occupied by Russian forces.
The entire country is on alert for hypersonic Kinzhal missile strikes, which are tougher to detect.
Authorities told journalists that Moscow was deliberately attempting to demolish the national power system, with attacks already disrupting energy systems.
He said utility staff and authorities were anticipating additional strikes.