Overnight, Russian missile and drone strikes have caused electricity outages in multiple districts of Ukraine's capital, Kyiv.
Several individuals were wounded while residents in eastern neighborhoods were plunged into darkness and faced problems to drinking water, according to municipal leaders.
Meanwhile, a seven-year-old child was fatally injured in a separate assault in the Zaporizhzhia area in the country's south-east, as reported by local officials.
Moscow has escalated strikes on power infrastructure over the past few days, while the country's government has called for "concrete actions" from allies to apply pressure on Moscow.
"What is required is not symbolic gestures but decisive action - from the US, the EU and the Group of Seven - in supplying air defence systems and implementing restrictions," was stated in a public message.
He said that numerous aerial vehicles and more than 30 projectiles attacked Ukraine's energy infrastructure, labeling such attacks as "premeditated" and against "everything that sustains normal life" as temperatures become colder.
The energy minister said Russia was "inflicting a massive strike" and repair crews were striving to restore power.
A wave of strikes damaged energy infrastructure and apartment buildings in the capital.
Five out of the nine people injured in the attacks on the city have been transported for medical care, per statements from local officials.
Local officials said the urban area came under significant strikes during nighttime hours. A minor died and several individuals were hurt.
The attacks come after periods of aerial attacks in the region, portions of which are currently controlled by Moscow's military.
The whole nation is on alert for advanced weapon attacks, which are more difficult to detect.
Government officials told reporters that Moscow was deliberately attempting to destroy the electrical infrastructure, with strikes already impacting energy systems.
He said utility staff and authorities were bracing for additional strikes.