Throughout the evening, Russian missile and drone strikes have caused power cuts in multiple districts of Ukraine's capital, Kyiv.
A number of civilians were injured while local people in eastern neighborhoods were left without electricity and faced problems to water supplies, as stated by local authorities.
Meanwhile, a seven-year-old child was fatally injured in a separate aerial attack in the Zaporizhzhia region in the southeastern part, as reported by regional authorities.
Russian forces has escalated strikes on energy facilities over recent weeks, while officials has demanded "concrete actions" from partner nations to exert influence on Moscow.
"The necessity is not window dressing but decisive action - from the US, Europe and the Group of Seven - in delivering defensive weapons and enforcing restrictions," he wrote in a public message.
Authorities reported that hundreds of unmanned aircraft and several dozen missiles attacked the country's power systems, labeling such assaults as "cynical and calculated" and against "critical infrastructure" as the weather cools.
Government representatives said Russia was "launching a major assault" and technical staff were working to fix the damage.
A wave of strikes struck energy infrastructure and apartment buildings in Kyiv.
Five out of the nine people wounded in the attacks on the capital have been hospitalized, per statements from local officials.
Area administrators said the city experienced intense attacks throughout the evening. A minor lost their life and several individuals were hurt.
The assaults follow evenings of aerial attacks in the territory, sections of which are currently controlled by Russian forces.
All of Ukraine is on alert for advanced weapon attacks, which are more difficult to detect.
Authorities told journalists that Moscow was deliberately attempting to demolish the national power system, with assaults already affecting gas facilities.
Officials stated utility staff and officials were preparing for additional strikes.