Overnight, Russian missile and drone strikes have resulted in blackouts in large parts of Ukraine's capital, Kyiv.
A number of civilians were injured while inhabitants in eastern neighborhoods were left without electricity and faced disruption to drinking water, per reports from city officials.
Meanwhile, a young boy was killed in a separate aerial attack in the southeastern region in the southeastern part, as reported by local officials.
Russian forces has intensified attacks on power infrastructure over the last fortnight, while Ukrainian leadership has demanded "substantial measures" from international partners to exert influence on Russia.
"What's needed is not superficial actions but decisive action - from the United States, the EU and the G7 - in supplying defensive weapons and enforcing penalties," was stated in a online statement.
Officials stated that hundreds of unmanned aircraft and more than 30 missiles attacked Ukraine's energy infrastructure, labeling such attacks as "premeditated" and against "everything that sustains normal life" as the weather cools.
Energy officials said Moscow was "launching a major assault" and technical staff were striving to repair systems.
A series of attacks hit electrical systems and apartment buildings in Kyiv.
Multiple people injured in the attacks on the capital have been taken to hospital, as confirmed by local officials.
Area administrators said the city experienced heavy assaults overnight. A seven-year-old child lost their life and three other people were injured.
The attacks succeed periods of bombing campaigns in the territory, portions of which remain under the control of Moscow's military.
All of Ukraine is under warning for advanced weapon attacks, which are tougher to identify.
Government officials told the media that Moscow was purposely seeking to demolish the national power system, with assaults already disrupting gas facilities.
Officials stated utility staff and authorities were bracing for additional strikes.