One of Russia’s largest attacks on Ukraine’s energy system has been underway since the early hours of November 3, national power company Ukrenergo reported.

The widespread power and water outages in Kyiv follow Russia's largest mass attack on Ukraine's energy infrastructure this year, which targeted substations, transmission systems, and power plants across the country.

The power supply situation was most difficult in Dnipropetrovsk and Kyiv oblasts following Russian attacks, the Energy Ministry said.

Russia continued its campaign against Ukraine's energy grid ahead of winter, targeting infrastructure in at least four regions overnight and injuring three workers from the Ukrainian energy company DTEK.

Editor's note: This is a developing story. A Russian attack struck an energy facility in Kyiv on the evening of Oct. 30, leaving parts of four districts without electricity, Ukrainian energy company DTEK reported. The outages affected the Obolonskyi, Darnytskyi, Desnianskyi and Podilskyi districts, according to a…