Overnight, Moscow's missile and drone strikes have resulted in power cuts in large parts of the capital city, Kyiv.
A number of civilians were hurt while local people in eastern districts were plunged into darkness and dealt with interruptions to water systems, according to local authorities.
Simultaneously, a minor was killed in a separate assault in the Zaporizhzhia region in the southeastern part, as reported by area administrators.
Russian forces has escalated assaults on energy facilities over the past few days, while Ukrainian leadership has called for "real steps" from allies to exert influence on Russia.
"The necessity is not superficial actions but decisive action - from the United States, Europe and the G7 - in delivering defensive weapons and enforcing penalties," he wrote in a online statement.
He said that hundreds of unmanned aircraft and more than 30 projectiles struck Ukraine's energy infrastructure, characterizing such attacks as "strategic and deliberate" and against "essential services" as the weather cools.
Government representatives said Russia was "conducting extensive attacks" and technical staff were laboring to fix the damage.
A series of attacks hit electrical systems and civilian homes in the capital.
Several of the people hurt in the assaults on the city have been taken to hospital, per statements from city authorities.
Local officials said the city experienced intense attacks during nighttime hours. A young boy lost their life and several individuals were injured.
The assaults come after periods of aerial attacks in the territory, parts of which remain under the control of Moscow's military.
The whole nation is under warning for advanced weapon attacks, which are harder to spot.
National leaders told reporters that Russia was intentionally trying to destroy the country's energy grid, with assaults already impacting energy systems.
He said utility staff and officials were preparing for additional strikes.
