 The absence of electricity creates serious difficulties for millions of ordinary Ukrainians. It means much more than just darkness at night, dead phones and food that goes bad in the fridge. Many doctors in Ukraine have learned to perform surgery in darkness, relying only on head torches. Disabled people who rely on electric equipment say blackouts put their lives at risk. Power cuts in the summer are hugely disruptive, but Ukrainians are worried about what will happen in winter,