Russia targeted DTEK's thermal power plants during a mass aerial attack on Dec. 13, damaging their equipment, the company said in a statement. Moscow's forces launched around 90 missiles and 200 drones in one of its largest mass attacks on Ukraine's power grid as the winter is setting in. "DTEK thermal power plants were attacked. According to preliminary data, there were no casualties," the company said. The plants' equipment was "seriously damaged," with energy sector employees already working on repairs. The company does not usually reveal the location of the targeted plants or the full extent of damage due to...