Kharkiv, Ukraine's second-largest city, and Dnipro have already been targeted, according to energy minister Herman Halushchenko.

Ukraine’s grid operator said it was limiting power supplies at Christmas amid a large scale missile attack by Russia targeting the nation’s energy infrastructure.

One person was killed and 11 were wounded by a ballistic missile strike on an apartment block in the central Ukrainian city of Kryvyi Rih, local officials said on Tuesday, and Kyiv condemned the Christmas eve attack.

A Russian ballistic missile struck a residential building Tuesday in the Ukrainian city of Kryvyi Rih and at least one person was killed, local authorities said. Gov. Serhii Lysak said at least 11 other people were injured and more people could be trapped beneath the rubble of the four-story apartment block.

Russian air defenses intercepted multiple drones, but reports indicated that the strategic Millerovo air base sustained damage.

Russian forces launched 60 drones at Ukraine overnight from the Russian cities of Bryansk, Millerovo, and Primosk-Akhtarsk, according to a report from Ukraine's Air Force.