Live: Russia hits critical energy infrastructure in Ukraine's Lviv region, fires 50 missiles overnight-Liveblog test

Russia's air attack caused serious equipment damage at three thermal power plants, DTEK, Ukraine's largest private electricity company, said on Wednesday.

"The equipment is seriously damaged," DTEK said on the Telegram messaging app. "Power engineers are currently working on eliminating the consequences of the attack."

Russia used more than 50 missiles and 20 drones in overnight attack on Ukraine's infrastructure on Wednesday, Ukrainian President Volodymyr Zelenskiy wrote on Telegram.