Millions of people in Ukraine are having to live with cuts to their electricity, water and heating, as official reports estimate that Russian missile attacks have damaged or destroyed almost half of the country’s energy system. Temperatures are already hovering around freezing in much of the country, and forecasts predict a drop to -20C as winter sets in. As engineers try to restore power, one of the country's biggest energy companies has warned Ukraine could be dealing with blackouts until the end of March. We hear from Ukrainians about the impact of these power cuts on their lives and work.