Overnight, Moscow's missile and drone strikes have resulted in power cuts in multiple districts of Ukraine's capital, Kyiv.
A number of civilians were wounded while local people in the city's east were plunged into darkness and faced problems to water supplies, according to municipal leaders.
Simultaneously, a young boy was fatally injured in a distinct Russian drone strike in the southeastern region in the country's south-east, according to regional authorities.
Russian forces has intensified attacks on power infrastructure over recent weeks, while officials has called for "substantial measures" from international partners to increase pressure on Moscow.
"The necessity is not superficial actions but decisive action - from the America, the EU and the major economies - in delivering protection systems and applying penalties," was stated in a online statement.
Authorities reported that numerous aerial vehicles and several dozen missiles targeted the country's power systems, labeling such strikes as "cynical and calculated" and against "everything that sustains normal life" as temperatures become colder.
The energy minister said Russia was "launching a major assault" and maintenance teams were working to repair systems.
A wave of strikes hit power facilities and apartment buildings in the capital.
Multiple people wounded in the strikes on the capital have been taken to hospital, per statements from local officials.
Area administrators said the city experienced intense attacks throughout the evening. A seven-year-old child lost their life and several individuals were injured.
The assaults follow nights of aerial attacks in the region, sections of which are currently controlled by Russian forces.
All of Ukraine is under warning for sophisticated projectile assaults, which are tougher to spot.
Government officials told reporters that Russia was intentionally trying to damage the electrical infrastructure, with strikes already impacting gas facilities.
Authorities confirmed energy workers and officials were preparing for additional strikes.
