Throughout the evening, Russian missile and drone strikes have caused power cuts in large parts of Ukraine's capital, Kyiv.
A number of civilians were wounded while local people in eastern districts were left without electricity and dealt with problems to water systems, as stated by local authorities.
At the same time, a young boy was killed in a distinct aerial attack in the Zaporizhzhia area in the southeastern part, as reported by regional authorities.
Moscow has escalated strikes on power infrastructure over the last fortnight, while officials has called for "concrete actions" from international partners to exert influence on Russia.
"What's needed is not superficial actions but firm measures - from the US, the EU and the G7 - in delivering defensive weapons and implementing sanctions," he wrote in a online statement.
Authorities reported that hundreds of unmanned aircraft and over thirty rockets targeted Ukraine's energy infrastructure, characterizing such strikes as "premeditated" and against "essential services" as the weather cools.
Government representatives said Moscow was "launching a major assault" and maintenance teams were working to repair systems.
A barrage of missiles hit electrical systems and apartment buildings in Kyiv.
Multiple people injured in the attacks on the capital have been hospitalized, as confirmed by municipal representatives.
Area administrators said the urban area came under significant strikes during nighttime hours. A minor was killed and several individuals were injured.
The assaults follow nights of bombing campaigns in the territory, sections of which are currently controlled by Moscow's military.
The whole nation is in a state of readiness for sophisticated projectile assaults, which are tougher to spot.
Authorities told the media that Moscow was deliberately attempting to destroy the country's energy grid, with attacks already impacting fuel infrastructure.
He said energy workers and authorities were anticipating further attacks.