As reported earlier, on July 10, the Chervonyi Partyzan mine of DTEK’s Chervonopartyzanske mine group suspended coal mining because of hostilities and to not endanger the lives of more than 2,500 miners. After that, the mine operated in a special regime only to maintain the key processes: ventilation of mine workings and water pumping to prevent flooding of the mine workings and mining equipment. DTEK is the largest energy company in Ukraine.