During the night, Russian missile and drone strikes have resulted in blackouts in multiple districts of Ukraine's capital, Kyiv.
A number of civilians were injured while inhabitants in eastern districts were plunged into darkness and faced disruption to water supplies, per reports from city officials.
Simultaneously, a young boy was fatally injured in a separate assault in the Zaporizhzhia region in the southern area, according to regional authorities.
Moscow has escalated attacks on electrical systems over recent weeks, while the country's government has demanded "concrete actions" from allies to exert influence on Russia.
"What's needed is not window dressing but decisive action - from the United States, Europe and the G7 - in providing protection systems and implementing sanctions," mentioned in a online statement.
Officials stated that hundreds of unmanned aircraft and over thirty projectiles struck the country's power systems, characterizing such attacks as "strategic and deliberate" and against "everything that sustains normal life" as the weather cools.
Energy officials said Moscow was "launching a major assault" and maintenance teams were laboring to fix the damage.
A wave of strikes damaged electrical systems and apartment buildings in the capital.
Multiple people hurt in the attacks on the capital have been transported for medical care, according to city authorities.
Regional authorities said the urban area experienced intense attacks overnight. A young boy lost their life and multiple civilians were hurt.
The strikes come after nights of air raids in the area, parts of which are occupied by invading troops.
The whole nation is on alert for sophisticated projectile assaults, which are more difficult to detect.
Authorities told the media that Russia was purposely seeking to destroy the country's energy grid, with strikes already impacting gas facilities.
He said utility staff and authorities were anticipating further attacks.