Ukraine is facing widespread power outages after Russia launched a massive overnight aerial assault across the country, killing at least two people, Ukrainian authorities say.

Nine Ukrainian regions came under attack, according to President Volodymyr Zelensky, with the latest assault coming as many were asleep.

State energy company Centrenergo described the barrage as “the most massive strike on our thermal power plants since the beginning of the full-scale invasion.”

The Russian attacks came as temperatures dropped into the single-figures celsius across Ukraine.

“The enemy is once again launching massive a