Overnight, Moscow's aerial assaults have caused power cuts in multiple districts of Ukraine's capital, Kyiv.
Several individuals were wounded while residents in the city's east were left without electricity and faced interruptions to drinking water, as stated by city officials.
At the same time, a seven-year-old child was lost their life in a separate assault in the Zaporizhzhia region in the country's south-east, according to local officials.
Moscow has increased attacks on energy facilities over recent weeks, while officials has called for "real steps" from international partners to increase pressure on Russia.
"The necessity is not window dressing but firm measures - from the US, Europe and the major economies - in supplying air defence systems and applying sanctions," was stated in a online statement.
He said that hundreds of unmanned aircraft and more than 30 missiles attacked energy facilities, labeling such attacks as "cynical and calculated" and against "essential services" as temperatures become colder.
Energy officials said Russia was "conducting extensive attacks" and repair crews were working to repair systems.
A barrage of missiles struck power facilities and residential structures in Kyiv.
Several of the people injured in the strikes on the city have been transported for medical care, according to municipal representatives.
Local officials said the metropolitan region came under significant strikes throughout the evening. A seven-year-old child was killed and three other people were wounded.
The strikes succeed nights of air raids in the area, portions of which remain under the control of Moscow's military.
The entire country is on alert for sophisticated projectile assaults, which are tougher to identify.
Authorities told reporters that Moscow was intentionally trying to demolish the country's energy grid, with attacks already affecting fuel infrastructure.
He said technical personnel and officials were bracing for additional strikes.