Overnight, Russian missile and drone strikes have caused blackouts in large parts of Ukraine's capital, Kyiv.
A number of civilians were hurt while residents in eastern districts were left without electricity and dealt with problems to water supplies, per reports from local authorities.
Simultaneously, a young boy was lost their life in a separate aerial attack in the southeastern region in the country's south-east, based on information from regional authorities.
Russian forces has intensified attacks on power infrastructure over the past few days, while Ukrainian leadership has requested "concrete actions" from international partners to increase pressure on Moscow.
"What is required is not superficial actions but decisive action - from the US, Europe and the G7 - in delivering protection systems and applying penalties," he wrote in a public message.
Authorities reported that numerous aerial vehicles and over thirty projectiles targeted Ukraine's energy infrastructure, describing such assaults as "strategic and deliberate" and against "critical infrastructure" as temperatures become colder.
Energy officials said Moscow was "launching a major assault" and maintenance teams were laboring to restore power.
A series of attacks damaged energy infrastructure and residential structures in Kyiv.
Multiple people injured in the strikes on the capital have been hospitalized, according to municipal representatives.
Local officials said the metropolitan region endured intense attacks during nighttime hours. A young boy lost their life and three other people were hurt.
The attacks come after nights of air raids in the territory, parts of which are currently controlled by Moscow's military.
All of Ukraine is on alert for sophisticated projectile assaults, which are tougher to spot.
National leaders told journalists that Moscow was deliberately attempting to damage the electrical infrastructure, with attacks already disrupting energy systems.
Officials stated energy workers and authorities were anticipating additional strikes.