Overnight, Russian missile and drone strikes have resulted in electricity outages in large parts of the capital city, Kyiv.
Nine people were hurt while inhabitants in eastern districts were plunged into darkness and faced problems to drinking water, according to municipal leaders.
Meanwhile, a young boy was killed in a separate assault in the Zaporizhzhia region in the southern area, as reported by regional authorities.
Russian forces has intensified attacks on energy facilities over the last fortnight, while Ukrainian leadership has requested "real steps" from partner nations to apply pressure on Russia.
"The necessity is not symbolic gestures but decisive action - from the United States, the EU and the major economies - in providing defensive weapons and enforcing restrictions," was stated in a online statement.
Officials stated that hundreds of unmanned aircraft and more than 30 projectiles attacked the country's power systems, labeling such strikes as "premeditated" and against "essential services" as temperatures become colder.
Government representatives said Moscow was "launching a major assault" and repair crews were working to restore power.
A wave of strikes struck electrical systems and apartment buildings in Kyiv.
Multiple people wounded in the assaults on the city have been transported for medical care, per statements from city authorities.
Regional authorities said the urban area experienced heavy assaults during nighttime hours. A young boy lost their life and several individuals were hurt.
The strikes follow periods of air raids in the territory, parts of which remain under the control of invading troops.
The whole nation is in a state of readiness for advanced weapon attacks, which are harder to identify.
Government officials told the media that Russia was purposely seeking to damage the country's energy grid, with strikes already disrupting gas facilities.
Officials stated technical personnel and officials were bracing for more assaults.
