Overnight, Russian aerial assaults have led to blackouts in large parts of Ukraine's capital, Kyiv.
Several individuals were injured while residents in eastern districts were plunged into darkness and encountered problems to drinking water, as stated by municipal leaders.
Meanwhile, a minor was killed in a different assault in the Zaporizhzhia area in the country's south-east, as reported by regional authorities.
Russian forces has increased attacks on power infrastructure over the last fortnight, while the country's government has called for "substantial measures" from partner nations to apply pressure on Russia.
"The necessity is not symbolic gestures but decisive action - from the United States, European nations and the Group of Seven - in delivering defensive weapons and implementing sanctions," was stated in a public message.
He said that 450 drones and several dozen missiles struck Ukraine's energy infrastructure, characterizing such assaults as "premeditated" and against "critical infrastructure" as the weather cools.
Government representatives said Russia was "inflicting a massive strike" and maintenance teams were working to restore power.
A barrage of missiles hit energy infrastructure and civilian homes in Kyiv.
Five out of the nine people wounded in the assaults on the city have been taken to hospital, according to local officials.
Regional authorities said the metropolitan region experienced significant strikes throughout the evening. A seven-year-old child was killed and three other people were hurt.
The attacks come after periods of air raids in the region, parts of which are occupied by Russian forces.
All of Ukraine is under warning for advanced weapon attacks, which are tougher to spot.
Government officials told journalists that Russia was intentionally trying to destroy the electrical infrastructure, with strikes already affecting gas facilities.
Authorities confirmed energy workers and authorities were anticipating more assaults.
