Overnight, Moscow's missile and drone strikes have led to electricity outages in large parts of Ukraine's capital, Kyiv.
Nine people were hurt while local people in eastern districts were experienced blackouts and faced problems to water systems, per reports from city officials.
Simultaneously, a young boy was fatally injured in a different aerial attack in the Zaporizhzhia region in the southeastern part, as reported by local officials.
Moscow has increased strikes on energy facilities over the past few days, while officials has called for "real steps" from international partners to apply pressure on Russia.
"What is required is not superficial actions but strong steps - from the America, the EU and the G7 - in delivering defensive weapons and applying sanctions," was stated in a public message.
He said that 450 drones and several dozen missiles struck Ukraine's energy infrastructure, labeling such assaults as "cynical and calculated" and against "everything that sustains normal life" as temperatures become colder.
Government representatives said Russia was "conducting extensive attacks" and repair crews were laboring to fix the damage.
A wave of strikes struck energy infrastructure and apartment buildings in Kyiv.
Five out of the nine people hurt in the attacks on the capital have been taken to hospital, per statements from municipal representatives.
Local officials said the metropolitan region endured significant strikes during nighttime hours. A seven-year-old child was killed and multiple civilians were injured.
The assaults succeed evenings of aerial attacks in the territory, portions of which remain under the control of Moscow's military.
All of Ukraine is under warning for hypersonic Kinzhal missile strikes, which are more difficult to spot.
Government officials told the media that Moscow was purposely seeking to damage the country's energy grid, with assaults already disrupting energy systems.
Authorities confirmed utility staff and government agencies were anticipating more assaults.