During the night, Russian aerial assaults have led to electricity outages in large parts of Ukraine's capital, Kyiv.
Nine people were injured while residents in eastern districts were plunged into darkness and encountered problems to water systems, as stated by municipal leaders.
Meanwhile, a young boy was fatally injured in a different Russian drone strike in the Zaporizhzhia region in the country's south-east, based on information from local officials.
Russian forces has intensified attacks on electrical systems over the last fortnight, while officials has demanded "substantial measures" from international partners to exert influence on Russia.
"The necessity is not superficial actions but decisive action - from the America, Europe and the Group of Seven - in providing protection systems and implementing restrictions," he wrote in a online statement.
Officials stated that 450 drones and several dozen rockets struck the country's power systems, characterizing such strikes as "cynical and calculated" and against "essential services" as temperatures become colder.
The energy minister said Russia was "conducting extensive attacks" and repair crews were laboring to restore power.
A barrage of missiles damaged electrical systems and residential structures in Kyiv.
Several of the people injured in the assaults on the capital have been taken to hospital, as confirmed by local officials.
Local officials said the urban area endured significant strikes during nighttime hours. A seven-year-old child was killed and several individuals were hurt.
The strikes come after evenings of bombing campaigns in the region, sections of which are occupied by Moscow's military.
The entire country is under warning for sophisticated projectile assaults, which are tougher to identify.
National leaders told journalists that Russia was deliberately attempting to demolish the country's energy grid, with attacks already disrupting fuel infrastructure.
Authorities confirmed technical personnel and officials were anticipating more assaults.