Overnight, Moscow's missile and drone strikes have caused blackouts in extensive areas of Ukraine's capital, Kyiv.
A number of civilians were wounded while residents in eastern districts were experienced blackouts and faced problems to water systems, per reports from local authorities.
Meanwhile, a seven-year-old child was fatally injured in a different assault in the Zaporizhzhia area in the country's south-east, based on information from regional authorities.
Russian forces has intensified assaults on power infrastructure over recent weeks, while Ukrainian leadership has requested "real steps" from partner nations to exert influence on Russia.
"What is required is not superficial actions but firm measures - from the America, the EU and the G7 - in delivering defensive weapons and implementing sanctions," he wrote in a online statement.
Authorities reported that 450 drones and several dozen missiles attacked the country's power systems, characterizing such attacks as "cynical and calculated" and against "critical infrastructure" as temperatures become colder.
Energy officials said Moscow was "inflicting a massive strike" and technical staff were striving to restore power.
A series of attacks hit energy infrastructure and civilian homes in Kyiv.
Several of the people injured in the assaults on the capital have been hospitalized, according to municipal representatives.
Regional authorities said the metropolitan region endured intense attacks overnight. A minor was killed and several individuals were hurt.
The assaults come after nights of bombing campaigns in the region, parts of which are occupied by invading troops.
The entire country is under warning for sophisticated projectile assaults, which are more difficult to identify.
Authorities told reporters that Moscow was deliberately attempting to destroy the electrical infrastructure, with strikes already impacting energy systems.
Authorities confirmed utility staff and officials were anticipating more assaults.
