More than a million people are now without power, as temperatures hover around zero.

Emergency power outages are being implemented nationwide, Ukrainian officials said.

An air raid alert has been declared across Ukraine amid reports of a cruise missile attack by Russia. The Ukrainian energy minister said that the country's energy infrastructure was targeted. DW has the latest.

Ukrainian officials say Russia has conducted a “massive” attack against Ukraine’s energy infrastructure, firing nearly 200 missiles and drones and leaving more than a million households without power.