Overnight, Moscow's missile and drone strikes have led to electricity outages in multiple districts of Ukraine's capital, Kyiv.
A number of civilians were wounded while local people in eastern districts were left without electricity and dealt with interruptions to water systems, according to city officials.
At the same time, a seven-year-old child was killed in a different Russian drone strike in the Zaporizhzhia area in the country's south-east, based on information from local officials.
Russian forces has escalated strikes on power infrastructure over the past few days, while the country's government has demanded "substantial measures" from allies to increase pressure on Moscow.
"What's needed is not superficial actions but decisive action - from the United States, European nations and the Group of Seven - in providing protection systems and enforcing restrictions," was stated in a online statement.
He said that hundreds of unmanned aircraft and more than 30 projectiles targeted energy facilities, describing such assaults as "strategic and deliberate" and against "critical infrastructure" as temperatures become colder.
Government representatives said Moscow was "conducting extensive attacks" and maintenance teams were laboring to fix the damage.
A barrage of missiles hit energy infrastructure and apartment buildings in Kyiv.
Five out of the nine people injured in the assaults on the capital have been taken to hospital, according to municipal representatives.
Regional authorities said the urban area experienced significant strikes during nighttime hours. A seven-year-old child lost their life and several individuals were injured.
The assaults come after periods of aerial attacks in the area, portions of which are currently controlled by invading troops.
All of Ukraine is under warning for advanced weapon attacks, which are tougher to detect.
Authorities told journalists that Russia was purposely seeking to demolish the country's energy grid, with strikes already impacting fuel infrastructure.
He said utility staff and officials were preparing for additional strikes.
