Overnight, Russian missile and drone strikes have resulted in power cuts in large parts of Ukraine's capital, Kyiv.
Nine people were hurt while residents in the city's east were plunged into darkness and faced problems to drinking water, according to city officials.
Simultaneously, a minor was fatally injured in a separate assault in the Zaporizhzhia area in the country's south-east, as reported by local officials.
Moscow has increased attacks on electrical systems over recent weeks, while officials has demanded "substantial measures" from international partners to increase pressure on Moscow.
"What is required is not superficial actions but strong steps - from the America, European nations and the G7 - in delivering protection systems and enforcing restrictions," he wrote in a online statement.
He said that hundreds of unmanned aircraft and several dozen projectiles attacked the country's power systems, labeling such assaults as "strategic and deliberate" and against "critical infrastructure" as temperatures become colder.
Government representatives said Russia was "inflicting a massive strike" and maintenance teams were striving to fix the damage.
A wave of strikes struck energy infrastructure and apartment buildings in Kyiv.
Several of the people injured in the attacks on the capital have been hospitalized, per statements from city authorities.
Regional authorities said the city came under intense attacks during nighttime hours. A minor died and several individuals were wounded.
The assaults succeed periods of bombing campaigns in the territory, parts of which remain under the control of invading troops.
All of Ukraine is on alert for hypersonic Kinzhal missile strikes, which are more difficult to identify.
Authorities told journalists that Russia was deliberately attempting to demolish the electrical infrastructure, with assaults already impacting fuel infrastructure.
He said technical personnel and officials were anticipating further attacks.