During the night, Russian missile and drone strikes have resulted in power cuts in large parts of Ukraine's capital, Kyiv.
Nine people were hurt while inhabitants in eastern neighborhoods were plunged into darkness and encountered problems to drinking water, according to city officials.
Simultaneously, a young boy was killed in a distinct aerial attack in the southeastern region in the southern area, based on information from regional authorities.
Russian forces has increased strikes on power infrastructure over the last fortnight, while the country's government has demanded "concrete actions" from allies to increase pressure on Moscow.
"What's needed is not superficial actions but firm measures - from the US, the EU and the major economies - in delivering air defence systems and applying sanctions," was stated in a social media post.
Authorities reported that numerous aerial vehicles and several dozen rockets attacked Ukraine's energy infrastructure, characterizing such assaults as "premeditated" and against "critical infrastructure" as temperatures become colder.
Energy officials said Russia was "conducting extensive attacks" and maintenance teams were working to restore power.
A series of attacks struck energy infrastructure and residential structures in Kyiv.
Several of the people injured in the assaults on the capital have been hospitalized, as confirmed by city authorities.
Area administrators said the metropolitan region experienced significant strikes during nighttime hours. A seven-year-old child lost their life and three other people were injured.
The attacks succeed nights of aerial attacks in the region, portions of which are occupied by Moscow's military.
The whole nation is under warning for sophisticated projectile assaults, which are tougher to spot.
Authorities told journalists that Russia was deliberately attempting to destroy the national power system, with assaults already disrupting energy systems.
He said energy workers and authorities were bracing for further attacks.
