Overnight, Moscow's aerial assaults have led to power cuts in multiple districts of the capital city, Kyiv.
Nine people were hurt while residents in the city's east were plunged into darkness and encountered disruption to water systems, according to local authorities.
Simultaneously, a minor was fatally injured in a separate aerial attack in the Zaporizhzhia area in the country's south-east, based on information from regional authorities.
Moscow has increased attacks on energy facilities over the last fortnight, while officials has requested "substantial measures" from allies to apply pressure on Moscow.
"The necessity is not window dressing but strong steps - from the America, Europe and the G7 - in delivering defensive weapons and applying sanctions," he wrote in a public message.
Officials stated that 450 drones and over thirty missiles attacked the country's power systems, describing such attacks as "cynical and calculated" and against "essential services" as the weather cools.
Government representatives said Russia was "conducting extensive attacks" and repair crews were working to restore power.
A barrage of missiles struck energy infrastructure and apartment buildings in Kyiv.
Multiple people wounded in the assaults on the capital have been hospitalized, per statements from city authorities.
Local officials said the city endured significant strikes throughout the evening. A minor died and three other people were wounded.
The assaults come after nights of aerial attacks in the territory, sections of which remain under the control of Russian forces.
The entire country is under warning for sophisticated projectile assaults, which are tougher to spot.
Authorities told the media that Moscow was intentionally trying to demolish the national power system, with assaults already affecting energy systems.
He said utility staff and government agencies were bracing for more assaults.
