Overnight, Russian missile and drone strikes have caused electricity outages in large parts of Ukraine's capital, Kyiv.
Several individuals were injured while residents in eastern districts were left without electricity and dealt with problems to drinking water, per reports from municipal leaders.
At the same time, a young boy was killed in a separate assault in the southeastern region in the southeastern part, based on information from local officials.
Moscow has escalated assaults on power infrastructure over the last fortnight, while Ukrainian leadership has demanded "substantial measures" from international partners to apply pressure on Russia.
"What's needed is not symbolic gestures but firm measures - from the US, Europe and the G7 - in supplying defensive weapons and applying penalties," was stated in a public message.
He said that numerous aerial vehicles and several dozen rockets struck Ukraine's energy infrastructure, labeling such attacks as "cynical and calculated" and against "essential services" as temperatures become colder.
Energy officials said Moscow was "conducting extensive attacks" and technical staff were striving to restore power.
A barrage of missiles struck energy infrastructure and civilian homes in Kyiv.
Multiple people wounded in the strikes on the capital have been taken to hospital, according to municipal representatives.
Regional authorities said the city experienced intense attacks throughout the evening. A seven-year-old child was killed and multiple civilians were wounded.
The strikes come after evenings of air raids in the area, sections of which are occupied by Russian forces.
All of Ukraine is under warning for hypersonic Kinzhal missile strikes, which are tougher to detect.
Authorities told the media that Moscow was purposely seeking to damage the country's energy grid, with assaults already impacting gas facilities.
Authorities confirmed technical personnel and officials were anticipating additional strikes.